janwas
dc027002c0
- input.cpp allows feeding in events from the outside (will be used by main.cpp and Atlas msg loop) - most of main.cpp split into ps/GameSetup.* - main.cpp is now a "controller" that drives the game via SDL events (Atlas is another such controller that can override main.cpp). it calls GameSetup functions to set up and processes messages. - add functions to import AtlasUI.dll automatically also, the usual refactoring ;) This was SVN commit r2622.
334 lines
8.9 KiB
C++
Executable File
334 lines
8.9 KiB
C++
Executable File
#include "precompiled.h"
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#include "gui/MiniMap.h"
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#include "ps/Game.h"
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#include <math.h>
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#include "ogl.h"
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#include "renderer/Renderer.h"
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#include "graphics/TextureEntry.h"
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#include "graphics/TextureManager.h"
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#include "graphics/Unit.h"
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#include "Bound.h"
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#include "Model.h"
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extern bool mouse_buttons[5];
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extern int g_mouse_x, g_mouse_y;
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bool HasClicked=false;
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static unsigned int ScaleColor(unsigned int color,float x)
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{
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unsigned int r=uint(float(color & 0xff)*x);
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unsigned int g=uint(float((color>>8) & 0xff)*x);
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unsigned int b=uint(float((color>>16) & 0xff)*x);
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return (0xff000000 | r | g<<8 | b<<16);
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}
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static int RoundUpToPowerOf2(int x)
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{
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if ((x & (x-1))==0) return x;
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int d=x;
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while (d & (d-1)) {
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d&=(d-1);
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}
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return d<<1;
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}
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CMiniMap::CMiniMap()
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: m_Handle(0), m_Data(NULL), m_MapSize(0), m_Terrain(0),
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m_UnitManager(0)
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{
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AddSetting(GUIST_CColor, "fov_wedge_color");
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AddSetting(GUIST_CStr, "tooltip");
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AddSetting(GUIST_CStr, "tooltip_style");
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}
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CMiniMap::~CMiniMap()
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{
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Destroy();
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}
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void CMiniMap::Draw()
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{
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// The terrain isn't actually initialized until the map is loaded, which
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// happens when the game is started
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if(GetGUI() && g_Game && g_Game->IsGameStarted())
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{
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if(!m_Handle)
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GenerateMiniMapTexture();
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g_Renderer.BindTexture(0, m_Handle);
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glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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float texCoordMax = ((float)m_MapSize - 1) / ((float)m_TextureSize);
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float z = GetBufferedZ();
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glBegin(GL_QUADS);
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// Draw the main textured quad
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glTexCoord2f(0.0f, 0.0f);
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glVertex3f(m_CachedActualSize.left, m_CachedActualSize.bottom, z);
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glTexCoord2f(texCoordMax, 0.0f);
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glVertex3f(m_CachedActualSize.right, m_CachedActualSize.bottom, z);
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glTexCoord2f(texCoordMax, texCoordMax);
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glVertex3f(m_CachedActualSize.right, m_CachedActualSize.top, z);
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glTexCoord2f(0.0f, texCoordMax);
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glVertex3f(m_CachedActualSize.left, m_CachedActualSize.top, z);
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glEnd();
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float x = m_CachedActualSize.left;
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float y = m_CachedActualSize.bottom;
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const std::vector<CUnit *> &units = m_UnitManager->GetUnits();
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std::vector<CUnit *>::const_iterator iter = units.begin();
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CUnit *unit = NULL;
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CVector2D pos;
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glDisable(GL_DEPTH_TEST);
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glEnable(GL_POINT_SMOOTH);
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glDisable(GL_TEXTURE_2D);
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glPointSize(3.0f);
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// REMOVED: glColor3f(1.0f, 1.0f, 1.0f);
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glBegin(GL_POINTS);
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for(; iter != units.end(); ++iter)
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{
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unit = (CUnit *)(*iter);
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if(unit && unit->GetEntity())
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{
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// Set the player colour
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const SPlayerColour& colour = unit->GetEntity()->GetPlayer()->GetColour();
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glColor3f(colour.r, colour.g, colour.b);
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pos = GetMapSpaceCoords(unit->GetEntity()->m_position);
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glVertex3f(x + pos.x, y - pos.y, z);
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}
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}
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glEnd();
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//================================================================
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//INTERACTIVE MINIMAP STARTS
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//Have questions on ^. Send email to ajdecker1022@msn.com
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//Get Camera handle
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CCamera &g_Camera=*g_Game->GetView()->GetCamera();
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//Check for a click
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if(mouse_buttons[0]==true)
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{
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HasClicked=true;
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}
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//Check to see if left button is false (meaning it's been lifted)
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if (mouse_buttons[0]==false && HasClicked==true)
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{
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//Is cursor inside Minimap boundaries?
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if(g_mouse_x > m_CachedActualSize.left && g_mouse_x < m_CachedActualSize.right
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&& g_mouse_y > m_CachedActualSize.top && g_mouse_y < m_CachedActualSize.bottom)
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{
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CVector3D CamOrient=g_Camera.m_Orientation.GetTranslation();
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//get center point of screen
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CVector3D ScreenMiddle=g_Camera.GetWorldCoordinates(
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g_Renderer.GetWidth()/2,g_Renderer.GetHeight()/2);
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//Get Vector required to go from camera position to ScreenMiddle
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CVector3D TransVector;
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TransVector.X=CamOrient.X-ScreenMiddle.X;
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TransVector.Z=CamOrient.Z-ScreenMiddle.Z;
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//world position of where mouse clicked
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CVector3D Destination;
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//X and Z according to proportion of mouse position and minimap
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Destination.X=(CELL_SIZE*m_MapSize)*
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((g_mouse_x-m_CachedActualSize.left)/m_CachedActualSize.GetWidth());
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Destination.Z=(CELL_SIZE*m_MapSize)*((m_CachedActualSize.bottom-g_mouse_y)
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/m_CachedActualSize.GetHeight());
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g_Camera.m_Orientation._14=Destination.X;
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g_Camera.m_Orientation._34=Destination.Z;
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g_Camera.m_Orientation._14+=TransVector.X;
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g_Camera.m_Orientation._34+=TransVector.Z;
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g_Camera.UpdateFrustum();
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}
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HasClicked=false;
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}
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//END OF INTERACTIVE MINIMAP
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//====================================================================
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// render view rect : John M. Mena
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// This sets up and draws the rectangle on the mini-map
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// which represents the view of the camera in the world.
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// Get a handle to the camera
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//Get correct world coordinates based off corner of screen start
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//at Bottom Left and going CW
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CVector3D hitPt[4];
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hitPt[0]=g_Camera.GetWorldCoordinates(0,g_Renderer.GetHeight());
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hitPt[1]=g_Camera.GetWorldCoordinates(g_Renderer.GetWidth(),g_Renderer.GetHeight());
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hitPt[2]=g_Camera.GetWorldCoordinates(g_Renderer.GetWidth(),0);
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hitPt[3]=g_Camera.GetWorldCoordinates(0,0);
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float ViewRect[4][2];
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for (int i=0;i<4;i++) {
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// convert to minimap space
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float px=hitPt[i].X;
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float pz=hitPt[i].Z;
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ViewRect[i][0]=(m_CachedActualSize.GetWidth()*px/float(CELL_SIZE*m_MapSize));
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ViewRect[i][1]=(m_CachedActualSize.GetHeight()*pz/float(CELL_SIZE*m_MapSize));
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}
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// Enable Scissoring as to restrict the rectangle
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// to only the mini-map below by retrieving the mini-maps
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// screen coords.
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glScissor((int)m_CachedActualSize.left, 0, (int)m_CachedActualSize.right, (int)m_CachedActualSize.GetHeight());
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glEnable(GL_SCISSOR_TEST);
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glEnable(GL_LINE_SMOOTH);
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glLineWidth(2);
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glColor3f(1.0f,0.3f,0.3f);
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// Draw the viewing rectangle with the ScEd's conversion algorithm
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glBegin(GL_LINE_LOOP);
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glVertex2f(x+ViewRect[0][0], y-ViewRect[0][1]);
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glVertex2f(x+ViewRect[1][0], y-ViewRect[1][1]);
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glVertex2f(x+ViewRect[2][0], y-ViewRect[2][1]);
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glVertex2f(x+ViewRect[3][0], y-ViewRect[3][1]);
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glEnd();
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glDisable(GL_SCISSOR_TEST);
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// Reset everything back to normal
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glPointSize(1.0f);
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glDisable(GL_LINE_SMOOTH);
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glLineWidth(1.0f);
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glEnable(GL_TEXTURE_2D);
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glDisable(GL_POINT_SMOOTH);
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glEnable(GL_DEPTH_TEST);
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}
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}
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void CMiniMap::GenerateMiniMapTexture()
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{
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m_Terrain = g_Game->GetWorld()->GetTerrain();
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m_UnitManager = g_Game->GetWorld()->GetUnitManager();
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m_Width = (u32)(m_CachedActualSize.right - m_CachedActualSize.left);
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m_Height = (u32)(m_CachedActualSize.bottom - m_CachedActualSize.top);
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Destroy();
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glGenTextures(1, (GLuint *)&m_Handle);
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g_Renderer.BindTexture(0, m_Handle);
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m_MapSize = m_Terrain->GetVerticesPerSide();
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m_TextureSize = RoundUpToPowerOf2(m_MapSize);
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, m_TextureSize, m_TextureSize, 0, GL_BGRA_EXT, GL_UNSIGNED_BYTE, 0);
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m_Data = new u32[(m_MapSize - 1) * (m_MapSize - 1)];
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glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
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glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
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glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S,GL_CLAMP);
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glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T,GL_CLAMP);
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Rebuild();
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}
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void CMiniMap::Rebuild()
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{
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u32 mapSize = m_Terrain->GetVerticesPerSide();
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u32 x = 0;
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u32 y = 0;
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u32 w = m_MapSize - 1;
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u32 h = m_MapSize - 1;
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for(u32 j = 0; j < h; j++)
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{
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u32 *dataPtr = m_Data + ((y + j) * (mapSize - 1)) + x;
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for(u32 i = 0; i < w; i++)
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{
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int hmap = ((int)m_Terrain->GetHeightMap()[(y + j) * mapSize + x + i]) >> 8;
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int val = (hmap / 3) + 170;
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CMiniPatch *mp = m_Terrain->GetTile(x + i, y + j);
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u32 color = 0;
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if(mp)
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{
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CTextureEntry *tex = mp->Tex1 ? g_TexMan.FindTexture(mp->Tex1) : 0;
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color = tex ? tex->GetBaseColor() : 0xffffffff;
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}
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else
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color = 0xffffffff;
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*dataPtr++ = ScaleColor(color, ((float)val) / 255.0f);
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}
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}
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UploadTexture();
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}
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void CMiniMap::UploadTexture()
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{
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g_Renderer.BindTexture(0, m_Handle);
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glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, m_MapSize - 1, m_MapSize - 1, GL_BGRA_EXT, GL_UNSIGNED_BYTE, m_Data);
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}
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void CMiniMap::Destroy()
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{
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if(m_Handle)
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glDeleteTextures(1, (GLuint *)&m_Handle);
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if(m_Data)
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{
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delete[] m_Data;
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m_Data = NULL;
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}
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}
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/*
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* Calefaction
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* TODO: Speed this up. There has to be some mathematical way to make
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* this more efficient. This works for now.
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*/
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CVector2D CMiniMap::GetMapSpaceCoords(CVector3D worldPos)
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{
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u32 x = (u32)(worldPos.X / CELL_SIZE);
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// Entity's Z coordinate is really its longitudinal coordinate on the terrain
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u32 y = (u32)(worldPos.Z / CELL_SIZE);
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// Calculate map space scale
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float scaleX = float(m_Width) / float(m_MapSize - 1);
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float scaleY = float(m_Height) / float(m_MapSize - 1);
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return CVector2D(float(x) * scaleX, float(y) * scaleY);
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}
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