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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef FEATUREDRAWER_H_
#define FEATUREDRAWER_H_
#include <vector>
#include <array>
#include "Game/Camera.h"
#include "System/creg/creg_cond.h"
#include "System/EventClient.h"
#include "Rendering/Models/ModelRenderContainer.h"
class CFeature;
class IModelRenderContainer;
namespace GL {
struct GeometryBuffer;
}
class CFeatureDrawer: public CEventClient
{
public:
CFeatureDrawer();
~CFeatureDrawer();
void UpdateDrawQuad(CFeature* feature);
void Update();
void Draw();
void DrawOpaquePass(bool deferredPass, bool drawReflection, bool drawRefraction);
void DrawShadowPass();
void DrawAlphaPass();
void DrawFeatureNoTrans(const CFeature* feature, unsigned int preList, unsigned int postList, bool lodCall, bool noLuaCall);
void DrawFeatureTrans(const CFeature*, unsigned int preList, unsigned int postList, bool lodCall, bool noLuaCall);
/// LuaOpenGL::Feature{Raw}: draw a single feature with full state setup
void PushIndividualState(const CFeature* feature, bool deferredPass);
void PopIndividualState(const CFeature* feature, bool deferredPass);
void DrawIndividual(const CFeature* feature, bool noLuaCall);
void DrawIndividualNoTrans(const CFeature* feature, bool noLuaCall);
void SetDrawForwardPass(bool b) { drawForward = b; }
void SetDrawDeferredPass(bool b) { drawDeferred = b; }
public:
// CEventClient interface
bool WantsEvent(const std::string& eventName) {
return (eventName == "RenderFeatureCreated" || eventName == "RenderFeatureDestroyed" || eventName == "FeatureMoved");
}
bool GetFullRead() const { return true; }
int GetReadAllyTeam() const { return AllAccessTeam; }
void RenderFeatureCreated(const CFeature* feature);
void RenderFeatureDestroyed(const CFeature* feature);
void FeatureMoved(const CFeature* feature, const float3& oldpos);
public:
const GL::GeometryBuffer* GetGeometryBuffer() const { return geomBuffer; }
GL::GeometryBuffer* GetGeometryBuffer() { return geomBuffer; }
bool DrawForward() const { return drawForward; }
bool DrawDeferred() const { return drawDeferred; }
private:
static void UpdateDrawPos(CFeature* f);
void DrawOpaqueFeatures(int modelType);
void DrawAlphaFeatures(int modelType);
void DrawAlphaFeature(CFeature* f, bool ffpMat);
void DrawFarFeatures();
bool CanDrawFeature(const CFeature*) const;
void DrawFeatureModel(const CFeature* feature, bool noLuaCall);
void FlagVisibleFeatures(
const CCamera*,
bool drawShadowPass,
bool drawReflection,
bool drawRefraction,
bool drawFar
);
void GetVisibleFeatures(CCamera*, int, bool drawFar);
private:
int drawQuadsX;
int drawQuadsY;
float farDist;
float featureDrawDistance;
float featureFadeDistance;
bool drawForward;
bool drawDeferred;
// we need these because alpha- and shadow-pass both
// reuse Draw{Opaque}Feature{s} which sets team color
bool inAlphaPass;
bool inShadowPass;
bool ffpAlphaMat;
private:
friend class CFeatureQuadDrawer;
struct RdrContProxy {
RdrContProxy(): lastDrawFrame(0) {
for (int modelType = MODELTYPE_3DO; modelType < MODELTYPE_OTHER; modelType++) {
rendererTypes[modelType] = IModelRenderContainer::GetInstance(modelType);
}
}
~RdrContProxy() {
for (int modelType = MODELTYPE_3DO; modelType < MODELTYPE_OTHER; modelType++) {
delete rendererTypes[modelType];
}
}
const IModelRenderContainer* GetRenderer(unsigned int i) const { return rendererTypes[i]; }
IModelRenderContainer* GetRenderer(unsigned int i) { return rendererTypes[i]; }
unsigned int GetLastDrawFrame() const { return lastDrawFrame; }
void SetLastDrawFrame(unsigned int f) { lastDrawFrame = f; }
private:
std::array<IModelRenderContainer*, MODELTYPE_OTHER> rendererTypes;
// frame on which this proxy's owner quad last
// received a DrawQuad call (i.e. was in view)
// during *any* pass
unsigned int lastDrawFrame;
};
std::vector<RdrContProxy> modelRenderers;
std::array< std::vector<int>, CCamera::CAMTYPE_ENVMAP> camVisibleQuads;
std::array<unsigned int, CCamera::CAMTYPE_ENVMAP> camVisDrawFrames;
std::vector<CFeature*> unsortedFeatures;
GL::GeometryBuffer* geomBuffer;
};
extern CFeatureDrawer* featureDrawer;
#endif /* FEATUREDRAWER_H_ */
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