forked from 0ad/0ad
743 lines
16 KiB
C++
743 lines
16 KiB
C++
/* Copyright (C) 2013 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* Implements the in-game console with scripting support.
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*/
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#include "precompiled.h"
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#include <wctype.h>
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#include "CConsole.h"
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#include "graphics/ShaderManager.h"
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#include "graphics/TextRenderer.h"
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#include "gui/GUIutil.h"
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#include "lib/ogl.h"
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#include "lib/sysdep/clipboard.h"
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#include "lib/timer.h"
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#include "maths/MathUtil.h"
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#include "network/NetClient.h"
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#include "network/NetServer.h"
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#include "ps/CLogger.h"
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#include "ps/Filesystem.h"
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#include "ps/Font.h"
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#include "ps/Globals.h"
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#include "ps/Hotkey.h"
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#include "ps/Pyrogenesis.h"
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#include "renderer/Renderer.h"
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#include "scripting/ScriptingHost.h"
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#include "scriptinterface/ScriptInterface.h"
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CConsole* g_Console = 0;
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CConsole::CConsole()
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{
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m_bToggle = false;
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m_bVisible = false;
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m_fVisibleFrac = 0.0f;
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m_szBuffer = new wchar_t[CONSOLE_BUFFER_SIZE];
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FlushBuffer();
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m_iMsgHistPos = 1;
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m_charsPerPage = 0;
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m_prevTime = 0.0;
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m_bCursorVisState = true;
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m_cursorBlinkRate = 0.5;
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InsertMessage(L"[ 0 A.D. Console v0.14 ]");
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InsertMessage(L"");
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}
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CConsole::~CConsole()
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{
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delete[] m_szBuffer;
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}
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void CConsole::SetSize(float X, float Y, float W, float H)
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{
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m_fX = X;
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m_fY = Y;
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m_fWidth = W;
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m_fHeight = H;
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}
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void CConsole::UpdateScreenSize(int w, int h)
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{
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float height = h * 0.6f;
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SetSize(0, 0, (float)w, height);
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}
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void CConsole::ToggleVisible()
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{
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m_bToggle = true;
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m_bVisible = !m_bVisible;
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}
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void CConsole::SetVisible(bool visible)
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{
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if (visible != m_bVisible)
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m_bToggle = true;
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m_bVisible = visible;
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if (visible)
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{
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m_prevTime = 0.0;
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m_bCursorVisState = false;
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}
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}
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void CConsole::SetCursorBlinkRate(double rate)
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{
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m_cursorBlinkRate = rate;
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}
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void CConsole::FlushBuffer()
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{
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// Clear the buffer and set the cursor and length to 0
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memset(m_szBuffer, '\0', sizeof(wchar_t) * CONSOLE_BUFFER_SIZE);
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m_iBufferPos = m_iBufferLength = 0;
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}
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void CConsole::ToLower(wchar_t* szMessage, size_t iSize)
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{
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size_t L = (size_t)wcslen(szMessage);
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if (L <= 0) return;
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if (iSize && iSize < L) L = iSize;
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for(size_t i = 0; i < L; i++)
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szMessage[i] = towlower(szMessage[i]);
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}
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void CConsole::Trim(wchar_t* szMessage, const wchar_t cChar, size_t iSize)
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{
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size_t L = wcslen(szMessage);
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if(!L)
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return;
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if (iSize && iSize < L) L = iSize;
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wchar_t szChar[2] = { cChar, 0 };
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// Find the first point at which szChar does not
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// exist in the message
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size_t ofs = wcsspn(szMessage, szChar);
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if(ofs == 0) // no leading <cChar> chars - we're done
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return;
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// move everything <ofs> chars left, replacing leading cChar chars
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L -= ofs;
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memmove(szMessage, szMessage+ofs, L*sizeof(wchar_t));
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for(ssize_t i = (ssize_t)L; i >= 0; i--)
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{
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szMessage[i] = '\0';
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if (szMessage[i - 1] != cChar) break;
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}
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}
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void CConsole::Update(const float deltaRealTime)
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{
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if(m_bToggle)
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{
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const float AnimateTime = .30f;
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const float Delta = deltaRealTime / AnimateTime;
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if(m_bVisible)
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{
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m_fVisibleFrac += Delta;
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if(m_fVisibleFrac > 1.0f)
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{
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m_fVisibleFrac = 1.0f;
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m_bToggle = false;
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}
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}
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else
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{
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m_fVisibleFrac -= Delta;
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if(m_fVisibleFrac < 0.0f)
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{
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m_fVisibleFrac = 0.0f;
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m_bToggle = false;
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}
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}
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}
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}
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//Render Manager.
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void CConsole::Render()
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{
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if (! (m_bVisible || m_bToggle) ) return;
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PROFILE3_GPU("console");
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glEnable(GL_BLEND);
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glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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CShaderTechniquePtr solidTech = g_Renderer.GetShaderManager().LoadEffect("gui_solid");
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solidTech->BeginPass();
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CShaderProgramPtr solidShader = solidTech->GetShader();
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CMatrix3D transform = GetDefaultGuiMatrix();
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// animation: slide in from top of screen
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const float DeltaY = (1.0f - m_fVisibleFrac) * m_fHeight;
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transform.PostTranslate(m_fX, m_fY - DeltaY, 0.0f); // move to window position
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solidShader->Uniform("transform", transform);
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DrawWindow(solidShader);
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solidTech->EndPass();
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CShaderTechniquePtr textTech = g_Renderer.GetShaderManager().LoadEffect("gui_text");
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textTech->BeginPass();
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CTextRenderer textRenderer(textTech->GetShader());
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textRenderer.Font(CONSOLE_FONT);
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textRenderer.SetTransform(transform);
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DrawHistory(textRenderer);
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DrawBuffer(textRenderer);
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textRenderer.Render();
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textTech->EndPass();
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glDisable(GL_BLEND);
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}
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void CConsole::DrawWindow(CShaderProgramPtr& shader)
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{
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float boxVerts[] = {
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m_fWidth, 0.0f,
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1.0f, 0.0f,
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1.0f, m_fHeight-1.0f,
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m_fWidth, m_fHeight-1.0f
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};
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shader->VertexPointer(2, GL_FLOAT, 0, boxVerts);
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// Draw Background
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// Set the color to a translucent blue
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shader->Uniform("color", 0.0f, 0.0f, 0.5f, 0.6f);
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shader->AssertPointersBound();
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glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
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// Draw Border
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// Set the color to a translucent yellow
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shader->Uniform("color", 0.5f, 0.5f, 0.0f, 0.6f);
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shader->AssertPointersBound();
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glDrawArrays(GL_LINE_LOOP, 0, 4);
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if (m_fHeight > m_iFontHeight + 4)
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{
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float lineVerts[] = {
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0.0f, m_fHeight - (float)m_iFontHeight - 4.0f,
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m_fWidth, m_fHeight - (float)m_iFontHeight - 4.0f
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};
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shader->VertexPointer(2, GL_FLOAT, 0, lineVerts);
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shader->AssertPointersBound();
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glDrawArrays(GL_LINES, 0, 2);
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}
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}
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void CConsole::DrawHistory(CTextRenderer& textRenderer)
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{
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int i = 1;
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std::deque<std::wstring>::iterator Iter; //History iterator
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CScopeLock lock(m_Mutex); // needed for safe access to m_deqMsgHistory
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textRenderer.Color(1.0f, 1.0f, 1.0f);
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for (Iter = m_deqMsgHistory.begin();
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Iter != m_deqMsgHistory.end()
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&& (((i - m_iMsgHistPos + 1) * m_iFontHeight) < m_fHeight);
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++Iter)
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{
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if (i >= m_iMsgHistPos)
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textRenderer.Put(9.0f, m_fHeight - (float)m_iFontOffset - (float)m_iFontHeight * (i - m_iMsgHistPos + 1), Iter->c_str());
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i++;
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}
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}
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// Renders the buffer to the screen.
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void CConsole::DrawBuffer(CTextRenderer& textRenderer)
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{
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if (m_fHeight < m_iFontHeight)
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return;
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CMatrix3D savedTransform = textRenderer.GetTransform();
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textRenderer.Translate(2.0f, m_fHeight - (float)m_iFontOffset + 1.0f, 0.0f);
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textRenderer.Color(1.0f, 1.0f, 0.0f);
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textRenderer.PutAdvance(L"]");
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textRenderer.Color(1.0f, 1.0f, 1.0f);
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if (m_iBufferPos == 0)
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DrawCursor(textRenderer);
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for (int i = 0; i < m_iBufferLength; i++)
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{
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textRenderer.PrintfAdvance(L"%lc", m_szBuffer[i]);
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if (m_iBufferPos-1 == i)
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DrawCursor(textRenderer);
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}
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textRenderer.SetTransform(savedTransform);
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}
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void CConsole::DrawCursor(CTextRenderer& textRenderer)
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{
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if (m_cursorBlinkRate > 0.0)
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{
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// check if the cursor visibility state needs to be changed
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double currTime = timer_Time();
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if ((currTime - m_prevTime) >= m_cursorBlinkRate)
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{
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m_bCursorVisState = !m_bCursorVisState;
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m_prevTime = currTime;
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}
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}
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else
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{
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// Should always be visible
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m_bCursorVisState = true;
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}
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if(m_bCursorVisState)
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{
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// Slightly translucent yellow
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textRenderer.Color(1.0f, 1.0f, 0.0f, 0.8f);
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// Cursor character is chosen to be an underscore
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textRenderer.Put(0.0f, 0.0f, L"_");
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// Revert to the standard text colour
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textRenderer.Color(1.0f, 1.0f, 1.0f);
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}
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}
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//Inserts a character into the buffer.
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void CConsole::InsertChar(const int szChar, const wchar_t cooked)
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{
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static int iHistoryPos = -1;
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if (!m_bVisible) return;
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switch (szChar){
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case SDLK_RETURN:
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iHistoryPos = -1;
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m_iMsgHistPos = 1;
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ProcessBuffer(m_szBuffer);
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FlushBuffer();
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return;
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case SDLK_TAB:
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// Auto Complete
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return;
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case SDLK_BACKSPACE:
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if (IsEmpty() || IsBOB()) return;
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if (m_iBufferPos == m_iBufferLength)
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m_szBuffer[m_iBufferPos - 1] = '\0';
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else
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{
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for (int j = m_iBufferPos-1; j < m_iBufferLength-1; j++)
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m_szBuffer[j] = m_szBuffer[j+1]; // move chars to left
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m_szBuffer[m_iBufferLength-1] = '\0';
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}
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m_iBufferPos--;
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m_iBufferLength--;
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return;
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case SDLK_DELETE:
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if (IsEmpty() || IsEOB()) return;
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if (m_iBufferPos == m_iBufferLength-1)
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{
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m_szBuffer[m_iBufferPos] = '\0';
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m_iBufferLength--;
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}
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else
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{
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if (g_keys[SDLK_RCTRL] || g_keys[SDLK_LCTRL])
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{
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// Make Ctrl-Delete delete up to end of line
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m_szBuffer[m_iBufferPos] = '\0';
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m_iBufferLength = m_iBufferPos;
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}
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else
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{
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// Delete just one char and move the others left
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for(int j=m_iBufferPos; j<m_iBufferLength-1; j++)
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m_szBuffer[j] = m_szBuffer[j+1];
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m_szBuffer[m_iBufferLength-1] = '\0';
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m_iBufferLength--;
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}
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}
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return;
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case SDLK_HOME:
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if (g_keys[SDLK_RCTRL] || g_keys[SDLK_LCTRL])
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{
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CScopeLock lock(m_Mutex); // needed for safe access to m_deqMsgHistory
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int linesShown = (int)m_fHeight/m_iFontHeight - 4;
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m_iMsgHistPos = clamp((int)m_deqMsgHistory.size() - linesShown, 1, (int)m_deqMsgHistory.size());
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}
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else
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{
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m_iBufferPos = 0;
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}
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return;
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case SDLK_END:
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if (g_keys[SDLK_RCTRL] || g_keys[SDLK_LCTRL])
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{
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m_iMsgHistPos = 1;
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}
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else
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{
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m_iBufferPos = m_iBufferLength;
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}
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return;
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case SDLK_LEFT:
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if (m_iBufferPos) m_iBufferPos--;
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return;
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case SDLK_RIGHT:
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if (m_iBufferPos != m_iBufferLength) m_iBufferPos++;
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return;
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// BEGIN: Buffer History Lookup
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case SDLK_UP:
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if (m_deqBufHistory.size() && iHistoryPos != (int)m_deqBufHistory.size() - 1)
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{
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iHistoryPos++;
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SetBuffer(m_deqBufHistory.at(iHistoryPos).c_str());
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m_iBufferPos = m_iBufferLength;
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}
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return;
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case SDLK_DOWN:
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if (m_deqBufHistory.size())
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{
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if (iHistoryPos > 0)
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{
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iHistoryPos--;
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SetBuffer(m_deqBufHistory.at(iHistoryPos).c_str());
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m_iBufferPos = m_iBufferLength;
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}
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else if (iHistoryPos == 0)
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{
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iHistoryPos--;
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FlushBuffer();
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}
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}
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return;
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// END: Buffer History Lookup
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// BEGIN: Message History Lookup
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case SDLK_PAGEUP:
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{
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CScopeLock lock(m_Mutex); // needed for safe access to m_deqMsgHistory
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if (m_iMsgHistPos != (int)m_deqMsgHistory.size()) m_iMsgHistPos++;
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return;
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}
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case SDLK_PAGEDOWN:
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if (m_iMsgHistPos != 1) m_iMsgHistPos--;
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return;
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// END: Message History Lookup
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default: //Insert a character
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if (IsFull()) return;
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if (cooked == 0) return;
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if (IsEOB()) //are we at the end of the buffer?
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m_szBuffer[m_iBufferPos] = cooked; //cat char onto end
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else{ //we need to insert
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int i;
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for(i=m_iBufferLength; i>m_iBufferPos; i--)
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m_szBuffer[i] = m_szBuffer[i-1]; // move chars to right
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m_szBuffer[i] = cooked;
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}
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m_iBufferPos++;
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m_iBufferLength++;
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return;
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}
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}
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void CConsole::InsertMessage(const wchar_t* szMessage, ...)
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{
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va_list args;
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wchar_t szBuffer[CONSOLE_MESSAGE_SIZE];
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va_start(args, szMessage);
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if (vswprintf(szBuffer, CONSOLE_MESSAGE_SIZE, szMessage, args) == -1)
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{
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debug_printf(L"Error printfing console message (buffer size exceeded?)\n");
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// Make it obvious that the text was trimmed (assuming it was)
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wcscpy(szBuffer+CONSOLE_MESSAGE_SIZE-4, L"...");
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}
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va_end(args);
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InsertMessageRaw(szBuffer);
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}
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void CConsole::InsertMessageRaw(const CStrW& message)
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{
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// (TODO: this text-wrapping is rubbish since we now use variable-width fonts)
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//Insert newlines to wraparound text where needed
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CStrW wrapAround(message);
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CStrW newline(L"\n");
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size_t oldNewline=0;
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size_t distance;
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//make sure everything has been initialized
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if ( m_charsPerPage != 0 )
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{
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while ( oldNewline+m_charsPerPage < wrapAround.length() )
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{
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distance = wrapAround.find(newline, oldNewline) - oldNewline;
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if ( distance > m_charsPerPage )
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{
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oldNewline += m_charsPerPage;
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wrapAround.insert( oldNewline++, newline );
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}
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else
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oldNewline += distance+1;
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}
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}
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// Split into lines and add each one individually
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oldNewline = 0;
|
|
|
|
{
|
|
CScopeLock lock(m_Mutex); // needed for safe access to m_deqMsgHistory
|
|
|
|
while ( (distance = wrapAround.find(newline, oldNewline)) != wrapAround.npos)
|
|
{
|
|
distance -= oldNewline;
|
|
m_deqMsgHistory.push_front(wrapAround.substr(oldNewline, distance));
|
|
oldNewline += distance+1;
|
|
}
|
|
m_deqMsgHistory.push_front(wrapAround.substr(oldNewline));
|
|
}
|
|
}
|
|
|
|
const wchar_t* CConsole::GetBuffer()
|
|
{
|
|
m_szBuffer[m_iBufferLength] = 0;
|
|
return( m_szBuffer );
|
|
}
|
|
|
|
void CConsole::SetBuffer(const wchar_t* szMessage)
|
|
{
|
|
int oldBufferPos = m_iBufferPos; // remember since FlushBuffer will set it to 0
|
|
|
|
FlushBuffer();
|
|
|
|
wcsncpy(m_szBuffer, szMessage, CONSOLE_BUFFER_SIZE);
|
|
m_szBuffer[CONSOLE_BUFFER_SIZE-1] = 0;
|
|
m_iBufferLength = (int)wcslen(m_szBuffer);
|
|
m_iBufferPos = std::min(oldBufferPos, m_iBufferLength);
|
|
}
|
|
|
|
void CConsole::UseHistoryFile(const VfsPath& filename, int max_history_lines)
|
|
{
|
|
m_MaxHistoryLines = max_history_lines;
|
|
|
|
m_sHistoryFile = filename;
|
|
LoadHistory();
|
|
}
|
|
|
|
void CConsole::ProcessBuffer(const wchar_t* szLine)
|
|
{
|
|
if (szLine == NULL) return;
|
|
if (wcslen(szLine) <= 0) return;
|
|
|
|
ENSURE(wcslen(szLine) < CONSOLE_BUFFER_SIZE);
|
|
|
|
m_deqBufHistory.push_front(szLine);
|
|
SaveHistory(); // Do this each line for the moment; if a script causes
|
|
// a crash it's a useful record.
|
|
|
|
// Process it as JavaScript
|
|
|
|
jsval rval = g_ScriptingHost.ExecuteScript(szLine, L"Console");
|
|
if (!JSVAL_IS_VOID(rval))
|
|
InsertMessage(L"%ls", g_ScriptingHost.GetScriptInterface().ToString(rval).c_str());
|
|
}
|
|
|
|
void CConsole::LoadHistory()
|
|
{
|
|
// note: we don't care if this file doesn't exist or can't be read;
|
|
// just don't load anything in that case.
|
|
|
|
// do this before LoadFile to avoid an error message if file not found.
|
|
if (!VfsFileExists(m_sHistoryFile))
|
|
return;
|
|
|
|
shared_ptr<u8> buf; size_t buflen;
|
|
if (g_VFS->LoadFile(m_sHistoryFile, buf, buflen) < 0)
|
|
return;
|
|
|
|
CStr bytes ((char*)buf.get(), buflen);
|
|
|
|
CStrW str (bytes.FromUTF8());
|
|
size_t pos = 0;
|
|
while (pos != CStrW::npos)
|
|
{
|
|
pos = str.find('\n');
|
|
if (pos != CStrW::npos)
|
|
{
|
|
if (pos > 0)
|
|
m_deqBufHistory.push_front(str.Left(str[pos-1] == '\r' ? pos - 1 : pos));
|
|
str = str.substr(pos + 1);
|
|
}
|
|
else if (str.length() > 0)
|
|
m_deqBufHistory.push_front(str);
|
|
}
|
|
}
|
|
|
|
void CConsole::SaveHistory()
|
|
{
|
|
WriteBuffer buffer;
|
|
const int linesToSkip = (int)m_deqBufHistory.size() - m_MaxHistoryLines;
|
|
std::deque<std::wstring>::reverse_iterator it = m_deqBufHistory.rbegin();
|
|
if(linesToSkip > 0)
|
|
std::advance(it, linesToSkip);
|
|
for (; it != m_deqBufHistory.rend(); ++it)
|
|
{
|
|
CStr8 line = CStrW(*it).ToUTF8();
|
|
buffer.Append(line.data(), line.length());
|
|
static const char newline = '\n';
|
|
buffer.Append(&newline, 1);
|
|
}
|
|
g_VFS->CreateFile(m_sHistoryFile, buffer.Data(), buffer.Size());
|
|
}
|
|
|
|
void CConsole::ReceivedChatMessage(const wchar_t *szSender, const wchar_t *szMessage)
|
|
{
|
|
InsertMessage(L"%ls: %ls", szSender, szMessage);
|
|
}
|
|
|
|
#if SDL_VERSION_ATLEAST(2, 0, 0)
|
|
static bool isUnprintableChar(SDL_Keysym key)
|
|
#else
|
|
static bool isUnprintableChar(SDL_keysym key)
|
|
#endif
|
|
{
|
|
// U+0000 to U+001F are control characters
|
|
if (key.unicode < 0x20)
|
|
{
|
|
switch (key.sym)
|
|
{
|
|
// We want to allow some, which are handled specially
|
|
case SDLK_RETURN: case SDLK_TAB:
|
|
case SDLK_BACKSPACE: case SDLK_DELETE:
|
|
case SDLK_HOME: case SDLK_END:
|
|
case SDLK_LEFT: case SDLK_RIGHT:
|
|
case SDLK_UP: case SDLK_DOWN:
|
|
case SDLK_PAGEUP: case SDLK_PAGEDOWN:
|
|
return false;
|
|
|
|
// Ignore the others
|
|
default:
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
InReaction conInputHandler(const SDL_Event_* ev)
|
|
{
|
|
if ((int)ev->ev.type == SDL_HOTKEYDOWN)
|
|
{
|
|
std::string hotkey = static_cast<const char*>(ev->ev.user.data1);
|
|
|
|
if (hotkey == "console.toggle")
|
|
{
|
|
g_Console->ToggleVisible();
|
|
return IN_HANDLED;
|
|
}
|
|
else if (g_Console->IsActive() && hotkey == "copy")
|
|
{
|
|
sys_clipboard_set(g_Console->GetBuffer());
|
|
return IN_HANDLED;
|
|
}
|
|
else if (g_Console->IsActive() && hotkey == "paste")
|
|
{
|
|
wchar_t* text = sys_clipboard_get();
|
|
if (text)
|
|
{
|
|
for (wchar_t* c = text; *c; c++)
|
|
g_Console->InsertChar(0, *c);
|
|
|
|
sys_clipboard_free(text);
|
|
}
|
|
return IN_HANDLED;
|
|
}
|
|
}
|
|
|
|
if (!g_Console->IsActive())
|
|
return IN_PASS;
|
|
|
|
if (ev->ev.type != SDL_KEYDOWN)
|
|
return IN_PASS;
|
|
|
|
int sym = ev->ev.key.keysym.sym;
|
|
|
|
// Stop unprintable characters (ctrl+, alt+ and escape),
|
|
// also prevent ` and/or ~ appearing in console every time it's toggled.
|
|
if (!isUnprintableChar(ev->ev.key.keysym) &&
|
|
!HotkeyIsPressed("console.toggle"))
|
|
{
|
|
g_Console->InsertChar(sym, (wchar_t)ev->ev.key.keysym.unicode);
|
|
return IN_HANDLED;
|
|
}
|
|
|
|
return IN_PASS;
|
|
}
|