Overhaul texture handling, add TextureData handles.

+ Use shared ptrs to track loaded texture handles
+ Cache textures on models to avoid lookups

rwengine/include/engine/GameData.hpp

@@ -15,6 +15,7 @@
 #include <data/ZoneData.hpp>
 
 #include <audio/MADStream.hpp>
+#include <render/TextureData.hpp>
 
 #include <memory>
 
@@ -24,26 +25,6 @@ class GameWorld;
 class TextureAtlas;
 class SCMFile;
 
-/**
- * @brief Stores simple data about Textures such as transparency flags.
- *
- * @todo Covert usage to TextureHandles or something for streaming.
- * @todo Move out of GameData.hpp and into TextureInfo.hpp
- */
-struct TextureInfo
-{
-	/// Texture Name
-	GLuint texName;
-	
-	/// Transparent flag.
-	bool transparent;
-
-	TextureInfo(GLuint tex, bool t)
-		: texName(tex), transparent(t) {}
-	TextureInfo()
-		: texName(0), transparent(false) {} 
-};
-
 /**
  * @brief Loads and stores all "static" data such as loaded models, handling
  * information, weather etc.
@@ -195,6 +176,11 @@ public:
 	 */
 	TextureAtlas* getAtlas(size_t i);
 	
+	TextureData::Handle findTexture( const std::string& name, const std::string& alpha = "" )
+	{
+		return textures[{name, alpha}];
+	}
+	
 	/**
 	 * Files that have been loaded previously
 	 */
@@ -252,9 +238,9 @@ public:
 	std::map<std::string, ModelHandle*> models;
 
 	/**
-	 * Loaded Textures and their atlas entries.
+	 * Loaded textures (Textures are ID by name and alpha pairs)
 	 */
-	std::map<std::pair<std::string, std::string>, TextureInfo> textures;
+	std::map<std::pair<std::string, std::string>, TextureData::Handle> textures;
 
 	/**
 	 * Texture atlases.

rwengine/include/render/Model.hpp

@@ -11,6 +11,7 @@
 #include <loaders/rwbinarystream.h>
 #include "DrawBuffer.hpp"
 #include "GeometryBuffer.hpp"
+#include "TextureData.hpp"
 
 /**
  * ModelFrame stores the hierarchy of a model's geometry as well as default
@@ -80,6 +81,7 @@ public:
 	struct Texture {
 		std::string name;
 		std::string alphaName;
+		TextureData::Handle texture;
 	};
 	
 	enum {

rwengine/include/render/TextureData.hpp

@@ -0,0 +1,34 @@
+#pragma once
+#include <GL/gl.h>
+#include <glm/glm.hpp>
+
+#include <memory>
+
+/**
+ * Stores a handle and metadata about a loaded texture.
+ */
+class TextureData
+{
+public:
+	
+	TextureData(GLuint name, const glm::ivec2& dims, bool alpha)
+	: texName( name ), size( dims ), hasAlpha(alpha) { }
+	
+	GLuint getName() const { return texName; }
+	
+	const glm::ivec2& getSize() const { return size; }
+	
+	bool isTransparent() const { return hasAlpha; }
+	
+	typedef std::shared_ptr<TextureData> Handle;
+	
+	static Handle create(GLuint name, const glm::ivec2& size, bool transparent)
+	{
+		return Handle( new TextureData( name, size, transparent ) );
+	}
+	
+private:
+	GLuint texName;
+	glm::ivec2 size;
+	bool hasAlpha;
+};

rwengine/src/items/WeaponItem.cpp

@@ -34,9 +34,9 @@ void WeaponItem::fireHitscan()
 	// - smoke emited at hit point
 	// - gunflash
 
-	auto tracerTex = _character->engine->gameData.textures[{"shad_exp",""}].texName;
-	auto flashTex = _character->engine->gameData.textures[{"gunflash2",""}].texName;
-	auto flashTex1 = _character->engine->gameData.textures[{"gunflash1",""}].texName;
+	auto tracerTex = _character->engine->gameData.findTexture("shad_exp")->getName();
+	auto flashTex = _character->engine->gameData.findTexture("gunflash2")->getName();
+	auto flashTex1 = _character->engine->gameData.findTexture("gunflash1")->getName();
 
 	float tracertime = 0.1f;
 	auto distance = glm::distance(fireOrigin, farTarget);

rwengine/src/loaders/TextureLoader.cpp

@@ -1,6 +1,7 @@
 #include <loaders/TextureLoader.hpp>
 #include <engine/GameData.hpp>
 #include <render/TextureAtlas.hpp>
+#include <render/TextureData.hpp>
 
 #include <fstream>
 #include <iostream>
@@ -29,9 +30,10 @@ GLuint gTextureRed[] = {0xFF0000FF};
 GLuint gTextureGreen[] = {0xFF00FF00};
 GLuint gTextureBlue[] = {0xFFFF0000};
 
-GLuint getErrorTexture()
+TextureData::Handle getErrorTexture()
 {
 	static GLuint errTexName = 0;
+	static TextureData::Handle tex;
 	if(errTexName == 0)
 	{
 		glGenTextures(1, &errTexName);
@@ -42,8 +44,10 @@ GLuint getErrorTexture()
 			GL_RGBA, GL_UNSIGNED_BYTE, gErrorTextureData
 		);
 		glGenerateMipmap(GL_TEXTURE_2D);
+		
+		tex = TextureData::create(errTexName, {2, 2}, false);
 	}
-	return errTexName;
+	return tex;
 }
 
 const size_t paletteSize = 1024;
@@ -62,7 +66,7 @@ void processPalette(uint32_t* fullColor, RW::BSTextureNative& texNative, RW::Bin
 
 }
 
-GLuint createTexture(RW::BSTextureNative& texNative, RW::BinaryStreamSection& rootSection, bool* transparent)
+TextureData::Handle createTexture(RW::BSTextureNative& texNative, RW::BinaryStreamSection& rootSection)
 {
 	// TODO: Exception handling.
 	if(texNative.platform != 8) {
@@ -75,7 +79,7 @@ GLuint createTexture(RW::BSTextureNative& texNative, RW::BinaryStreamSection& ro
 				texNative.rasterformat == RW::BSTextureNative::FORMAT_8888 ||
 				texNative.rasterformat == RW::BSTextureNative::FORMAT_888;
 	// Export this value
-	*transparent = !((texNative.rasterformat&RW::BSTextureNative::FORMAT_888) == RW::BSTextureNative::FORMAT_888);
+	bool transparent = !((texNative.rasterformat&RW::BSTextureNative::FORMAT_888) == RW::BSTextureNative::FORMAT_888);
 	
 	if(! (isPal8 || isFulc)) {
 		std::cerr << "Unsuported raster format " << std::dec << texNative.rasterformat << std::endl;
@@ -194,7 +198,7 @@ GLuint createTexture(RW::BSTextureNative& texNative, RW::BinaryStreamSection& ro
 
 	glGenerateMipmap(GL_TEXTURE_2D);
 
-	return textureName;
+	return TextureData::create( textureName, { texNative.width, texNative.height }, transparent );
 }
 
 bool TextureLoader::loadFromMemory(char *data, GameData *gameData)
@@ -215,13 +219,12 @@ bool TextureLoader::loadFromMemory(char *data, GameData *gameData)
 		std::transform(name.begin(), name.end(), name.begin(), ::tolower );
 		std::transform(alpha.begin(), alpha.end(), alpha.begin(), ::tolower );
 
-		bool transparent = false;
-		GLuint id = createTexture(texNative, rootSection, &transparent);
+		auto texture = createTexture(texNative, rootSection);
 
-		gameData->textures[{name, alpha}] = {id, transparent};
+		gameData->textures[{name, alpha}] = texture;
 
 		if( !alpha.empty() ) {
-			gameData->textures[{name, ""}] = {id, transparent};
+			gameData->textures[{name, ""}] = texture;
 		}
 	}
 

rwengine/src/objects/PickupObject.cpp

@@ -65,7 +65,7 @@ void PickupObject::tick(float dt)
 			}
 		}
 
-		auto tex = engine->gameData.textures[{"coronacircle",""}].texName;
+		auto tex = engine->gameData.findTexture("coronacircle")->getName();
 
 		engine->renderer.addParticle({
 										 position,

rwengine/src/objects/ProjectileObject.cpp

@@ -71,7 +71,7 @@ void ProjectileObject::explode()
 						  });
 		}
 
-		std::pair<std::string, std::string> explodeTexName { "explo02", "" };
+		auto tex = engine->gameData.findTexture("explo02")->getName();
 
 		/// @todo add support for image sets and opacity to the particle system.
 		engine->renderer.addParticle({
@@ -80,7 +80,7 @@ void ProjectileObject::explode()
 										 0.f,
 										 GameRenderer::FXParticle::Camera,
 										 engine->gameTime, 0.5f,
-										 engine->gameData.textures[explodeTexName].texName,
+										 tex,
 										 {exp_size, exp_size}
 					});
 

rwengine/src/render/GameRenderer.cpp

@@ -382,7 +382,7 @@ void GameRenderer::renderWorld(const ViewCamera &camera, float alpha)
 				model = glm::scale( model, glm::vec3(1.5f, 1.5f, 1.5f) );
 
 				Renderer::DrawParameters dp;
-				dp.texture = arrowTex.texName;
+				dp.texture = arrowTex->getName();
 				dp.ambient = 1.f;
 				dp.colour = glm::u8vec4(255, 255, 255, 255);
 
@@ -414,16 +414,15 @@ void GameRenderer::renderWorld(const ViewCamera &camera, float alpha)
 	float blockHQSize = WATER_WORLD_SIZE/WATER_HQ_DATA_SIZE;
 
 	glm::vec2 waterOffset { -WATER_WORLD_SIZE/2.f, -WATER_WORLD_SIZE/2.f };
-	auto waterTex = engine->gameData.textures[{"water_old",""}];
+	auto waterTex = engine->gameData.findTexture("water_old");
 	glActiveTexture(GL_TEXTURE0);
-	glBindTexture(GL_TEXTURE_2D, waterTex.texName);
 
 	auto camposFlat = glm::vec2(camera.position);
 
 	Renderer::DrawParameters wdp;
 	wdp.start = 0;
 	wdp.count = waterHQVerts.size();
-	wdp.texture = waterTex.texName;
+	wdp.texture = waterTex->getName();
 
 	renderer->useProgram(waterProg);
 	renderer->setSceneParameters(sceneParams);
@@ -500,10 +499,10 @@ void GameRenderer::renderWorld(const ViewCamera &camera, float alpha)
 	GLuint splashTexName = 0;
 	auto fc = engine->state.fadeColour;
 	if((fc.r + fc.g + fc.b) == 0 && engine->state.currentSplash.size() > 0) {
-		std::pair<std::string, std::string> splashName(engine->state.currentSplash, "");
-		auto splshfnd = engine->gameData.textures.find(splashName);
-		if( splshfnd != engine->gameData.textures.end() ) {
-			splashTexName = splshfnd->second.texName;
+		auto splash = engine->gameData.findTexture(engine->state.currentSplash);
+		if ( splash )
+		{
+			splashTexName = splash->getName();
 		}
 	}
 
@@ -920,15 +919,20 @@ void GameRenderer::renderGeometry(Model* model, size_t g, const glm::mat4& model
 			Model::Material& mat = model->geometries[g]->materials[subgeom.material];
 
 			if(mat.textures.size() > 0 ) {
-				auto& tC = mat.textures[0].name;
-				auto& tA = mat.textures[0].alphaName;
-				auto t = engine->gameData.textures.find({tC, tA});
-				if(t != engine->gameData.textures.end()) {
-					TextureInfo& tex = t->second;
-					if(tex.transparent) {
+				auto tex = mat.textures[0].texture;
+				if( ! tex )
+				{
+					auto& tC = mat.textures[0].name;
+					auto& tA = mat.textures[0].alphaName;
+					tex = engine->gameData.findTexture(tC, tA);
+					mat.textures[0].texture = tex;
+				}
+				if( tex )
+				{
+					if( tex->isTransparent() ) {
 						abortTransparent = true;
 					}
-					dp.texture = tex.texName;
+					dp.texture = tex->getName();
 				}
 			}
 
@@ -964,6 +968,7 @@ void GameRenderer::renderGeometry(Model* model, size_t g, const glm::mat4& model
 			);
 		}
 		else {
+			
 			renderer->draw(modelMatrix, &model->geometries[g]->dbuff, dp);
 		}
 	}
@@ -977,7 +982,7 @@ void GameRenderer::renderAreaIndicator(const AreaIndicatorInfo* info)
 	glm::vec3 scale = info->radius + 0.15f * glm::sin(engine->gameTime * 5.f);
 	
 	Renderer::DrawParameters dp;
-	dp.texture = engine->gameData.textures[{"cloud1",""}].texName;
+	dp.texture = engine->gameData.findTexture("cloud1")->getName();
 	dp.ambient = 1.f;
 	dp.colour = glm::u8vec4(50, 100, 255, 1);
 	dp.start = 0;

rwengine/src/render/MapRenderer.cpp

@@ -123,7 +123,7 @@ void MapRenderer::draw(const MapInfo& mi)
 		std::string name = "radar" + num +  std::to_string(m);
 		auto texture = world->gameData.textures[{name,""}];
 		
-		glBindTexture(GL_TEXTURE_2D, texture.texName);
+		glBindTexture(GL_TEXTURE_2D, texture->getName());
 		
 		int mX = initX + (m % mapBlockLine);
 		int mY = initY + (m / mapBlockLine);
@@ -195,8 +195,8 @@ void MapRenderer::drawBlip(const glm::vec2& coord, const glm::mat4& model, const
 	GLuint tex = 0;
 	if ( !texture.empty() )
 	{
-		auto sprite= world->gameData.textures[{texture,""}];
-		tex = sprite.texName;
+		auto sprite= world->gameData.findTexture(texture);
+		tex = sprite->getName();
 		renderer->setUniform(rectProg, "colour", glm::vec4(0.f));
 	}
 	else

rwengine/src/render/TextRenderer.cpp

@@ -140,7 +140,8 @@ void TextRenderer::renderText(const TextRenderer::TextInfo& ti)
 	Renderer::DrawParameters dp;
 	dp.start = 0;
 	dp.count = gb.getCount();
-	dp.texture = engine->gameData.textures[{fonts[ti.font], ""}].texName;
+	auto ftexture = engine->gameData.findTexture(fonts[ti.font]);
+	dp.texture = ftexture->getName();
 	glm::vec2 ss( ti.size );
 	
 	/// @todo smarter alignment

rwengine/src/render/TextureData.cpp

@@ -0,0 +1 @@
+#include <render/TextureData.hpp>

rwgame/RWGame.hpp

@@ -12,6 +12,7 @@ class RWGame
 	sf::Clock clock;
 	bool inFocus;
 	ViewCamera lastCam, nextCam;
+	bool showDebugStats;
 
 	float accum;
 	float timescale;
@@ -65,6 +66,8 @@ public:
 private:
 	void tick(float dt);
 	void render(float alpha);
+	
+	void renderDebugStats();
 
 	void globalKeyEvent(const sf::Event& event);
 };