vladislavbelov
ffc4a56b9f
Fixes #6846 Differential Revision: https://code.wildfiregames.com/D5185 This was SVN commit r27965.
216 lines
5.8 KiB
C++
216 lines
5.8 KiB
C++
/* Copyright (C) 2022 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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#include "precompiled.h"
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#include "ICmpRangeOverlayRenderer.h"
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#include "graphics/Overlay.h"
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#include "graphics/TextureManager.h"
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#include "renderer/Renderer.h"
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#include "simulation2/MessageTypes.h"
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#include "simulation2/components/ICmpOwnership.h"
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#include "simulation2/components/ICmpPlayer.h"
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#include "simulation2/components/ICmpPlayerManager.h"
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#include "simulation2/components/ICmpPosition.h"
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#include "simulation2/helpers/Render.h"
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#include "simulation2/system/Component.h"
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#include <memory>
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class CCmpRangeOverlayRenderer final : public ICmpRangeOverlayRenderer
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{
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public:
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static void ClassInit(CComponentManager& componentManager)
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{
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componentManager.SubscribeToMessageType(MT_Deserialized);
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componentManager.SubscribeToMessageType(MT_OwnershipChanged);
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componentManager.SubscribeToMessageType(MT_PlayerColorChanged);
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}
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DEFAULT_COMPONENT_ALLOCATOR(RangeOverlayRenderer)
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CCmpRangeOverlayRenderer() : m_RangeOverlayData()
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{
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m_Color = CColor(0.f, 0.f, 0.f, 1.f);
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}
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~CCmpRangeOverlayRenderer() = default;
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static std::string GetSchema()
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{
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return "<a:component type='system'/><empty/>";
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}
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void Init(const CParamNode& UNUSED(paramNode)) override
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{
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m_Enabled = m_LastEnabledState = false;
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UpdateMessageSubscriptions();
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}
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void Deinit() override { }
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void Serialize(ISerializer& UNUSED(serialize)) override
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{
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}
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void Deserialize(const CParamNode& paramNode, IDeserializer& UNUSED(deserialize)) override
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{
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Init(paramNode);
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}
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void ResetRangeOverlays() override
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{
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m_RangeOverlayData.clear();
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UpdateMessageSubscriptions();
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m_Enabled = false;
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}
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void AddRangeOverlay(float radius, const std::string& texture, const std::string& textureMask, float thickness) override
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{
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if (!CRenderer::IsInitialised())
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return;
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SOverlayDescriptor rangeOverlayDescriptor;
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rangeOverlayDescriptor.m_Radius = radius;
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rangeOverlayDescriptor.m_LineTexture = CStrIntern(TEXTURE_BASE_PATH + texture);
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rangeOverlayDescriptor.m_LineTextureMask = CStrIntern(TEXTURE_BASE_PATH + textureMask);
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rangeOverlayDescriptor.m_LineThickness = thickness;
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m_RangeOverlayData.push_back({
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rangeOverlayDescriptor, std::unique_ptr<SOverlayTexturedLine>()
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});
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m_Enabled = true;
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UpdateMessageSubscriptions();
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}
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void HandleMessage(const CMessage& msg, bool UNUSED(global)) override
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{
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switch (msg.GetType())
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{
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case MT_Interpolate:
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{
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const CMessageInterpolate& msgData = static_cast<const CMessageInterpolate&> (msg);
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for (RangeOverlayData& rangeOverlay : m_RangeOverlayData)
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UpdateRangeOverlay(rangeOverlay, msgData.offset);
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UpdateMessageSubscriptions();
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break;
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}
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case MT_Deserialized:
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case MT_OwnershipChanged:
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case MT_PlayerColorChanged:
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{
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UpdateColor();
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break;
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}
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case MT_RenderSubmit:
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{
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const CMessageRenderSubmit& msgData = static_cast<const CMessageRenderSubmit&> (msg);
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RenderSubmit(msgData.collector, msgData.frustum, msgData.culling);
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break;
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}
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}
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}
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private:
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struct RangeOverlayData {
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SOverlayDescriptor descriptor;
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std::unique_ptr<SOverlayTexturedLine> line;
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};
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void UpdateColor() override
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{
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CmpPtr<ICmpOwnership> cmpOwnership(GetEntityHandle());
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if (!cmpOwnership)
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return;
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player_id_t owner = cmpOwnership->GetOwner();
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if (owner == INVALID_PLAYER)
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return;
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CmpPtr<ICmpPlayerManager> cmpPlayerManager(GetSystemEntity());
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if (!cmpPlayerManager)
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return;
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CmpPtr<ICmpPlayer> cmpPlayer(GetSimContext(), cmpPlayerManager->GetPlayerByID(owner));
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if (!cmpPlayer)
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return;
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CColor color = cmpPlayer->GetDisplayedColor();
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m_Color = color;
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}
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void UpdateMessageSubscriptions()
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{
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if (m_Enabled == m_LastEnabledState)
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return;
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CComponentManager& cmpManager = GetSimContext().GetComponentManager();
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cmpManager.DynamicSubscriptionNonsync(MT_Interpolate, this, m_Enabled);
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cmpManager.DynamicSubscriptionNonsync(MT_RenderSubmit, this, m_Enabled);
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m_LastEnabledState = m_Enabled;
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}
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void RenderSubmit(SceneCollector& collector, const CFrustum& frustum, bool culling)
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{
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if (!m_RangeOverlayData.size())
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return;
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for (const RangeOverlayData& rangeOverlay : m_RangeOverlayData)
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{
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if (!rangeOverlay.line)
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continue;
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if (culling && !rangeOverlay.line->IsVisibleInFrustum(frustum))
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continue;
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collector.Submit(rangeOverlay.line.get());
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}
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}
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void UpdateRangeOverlay(RangeOverlayData& rangeOverlay, const float frameOffset)
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{
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if (!CRenderer::IsInitialised())
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return;
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CmpPtr<ICmpPosition> cmpPosition(GetEntityHandle());
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if (!cmpPosition || !cmpPosition->IsInWorld())
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return;
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float rotY;
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CVector2D origin;
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cmpPosition->GetInterpolatedPosition2D(frameOffset, origin.X, origin.Y, rotY);
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rangeOverlay.line = std::make_unique<SOverlayTexturedLine>();
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rangeOverlay.line->m_SimContext = &GetSimContext();
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rangeOverlay.line->m_Color = m_Color;
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rangeOverlay.line->CreateOverlayTexture(&rangeOverlay.descriptor);
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SimRender::ConstructTexturedLineCircle(*rangeOverlay.line.get(), origin, rangeOverlay.descriptor.m_Radius);
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}
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bool m_LastEnabledState;
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bool m_Enabled;
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const char* TEXTURE_BASE_PATH = "art/textures/selection/";
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std::vector<RangeOverlayData> m_RangeOverlayData;
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CColor m_Color;
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};
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REGISTER_COMPONENT_TYPE(RangeOverlayRenderer)
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