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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 "Rendering/Models/ModelRenderContainer.h"
#include "System/creg/creg_cond.h"
#include "System/EventClient.h"
class CFeature;
namespace GL {
struct GeometryBuffer;
}
class CFeatureDrawer: public CEventClient
{
public:
CFeatureDrawer(): CEventClient("[CFeatureDrawer]", 313373, false) {}
static void InitStatic();
static void KillStatic(bool reload);
void Init();
void Kill();
void ConfigNotify(const std::string& key, const std::string& value);
void UpdateDrawQuad(CFeature* feature);
void Update() override;
void Draw();
void DrawOpaquePass(bool deferredPass);
void DrawShadowPass();
void DrawAlphaPass(bool aboveWater);
static void SetFeatureLuaTrans(const CFeature* feature, bool lodCall);
static void SetFeatureDefTrans(const CFeature* feature, bool lodCall);
static void DrawFeatureLuaTrans(const CFeature* feature, bool lodCall, bool noLuaCall);
static void DrawFeatureDefTrans(const CFeature*, 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 DrawIndividualDefTrans(const CFeature* feature, bool noLuaCall);
void DrawIndividualLuaTrans(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) override {
return (eventName == "RenderFeatureCreated" || eventName == "RenderFeatureDestroyed" || eventName == "FeatureMoved");
}
bool GetFullRead() const override { return true; }
int GetReadAllyTeam() const override { return AllAccessTeam; }
void RenderFeatureCreated(const CFeature* feature) override;
void RenderFeatureDestroyed(const CFeature* feature) override;
void FeatureMoved(const CFeature* feature, const float3& oldpos) override;
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;
static 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;
private:
friend class CFeatureQuadDrawer;
struct RdrContProxy {
const ModelRenderContainer<CFeature>& GetRenderer(unsigned int i) const { return rendererTypes[i]; }
ModelRenderContainer<CFeature>& GetRenderer(unsigned int i) { return rendererTypes[i]; }
unsigned int GetLastDrawFrame() const { return lastDrawFrame; }
void SetLastDrawFrame(unsigned int f) { lastDrawFrame = f; }
private:
std::array<ModelRenderContainer<CFeature>, 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 = 0;
};
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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