Push Optimisation mesh. Generation des Chunks à revoir.

SQCSim2021/chunk.cpp

@@ -110,28 +110,49 @@ void Chunk::SetBlock(int x, int y, int z, BlockType type, World* world) {
 
 BlockType Chunk::GetBlock(int x, int y, int z) { return m_blocks.Get(x, y, z); }
 
-void Chunk::CheckNeighbors(unsigned int x, unsigned int z, World* world) {
+NEIGHBOR_CHUNK_POSITION Chunk::CheckNeighbors(unsigned int x, unsigned int z, World* world) {
     unsigned int cx, cy;
 
     world->GetScope(cx, cy);
 
-    if (x == 0 && m_posX - cx >= 0 &&
-        world->ChunkAt((m_posX - cx - 1) * CHUNK_SIZE_X, 1, (m_posY - cy) * CHUNK_SIZE_Z))
+    if (x == 0 && m_posX - cx >= 0 && world->ChunkAt((m_posX - cx - 1) * CHUNK_SIZE_X, 1, (m_posY - cy) * CHUNK_SIZE_Z)) {
         world->ChunkAt((m_posX - cx - 1) * CHUNK_SIZE_X, 1, (m_posY - cy) * CHUNK_SIZE_Z)->MakeDirty();
-    else if (x == CHUNK_SIZE_X - 1 && m_posX - cx < WORLD_SIZE_X && 
-        world->ChunkAt((m_posX - cx + 1) * CHUNK_SIZE_X, 1, (m_posY - cy) * CHUNK_SIZE_Z))
+        return X_MINUS;
+    }
+    else if (x == CHUNK_SIZE_X - 1 && m_posX - cx < WORLD_SIZE_X && world->ChunkAt((m_posX - cx + 1) * CHUNK_SIZE_X, 1, (m_posY - cy) * CHUNK_SIZE_Z)) {
         world->ChunkAt((m_posX - cx + 1) * CHUNK_SIZE_X, 1, (m_posY - cy) * CHUNK_SIZE_Z)->MakeDirty();
+        return X_PLUS;
+    }
 
-    if (z == 0 && m_posY - cy >= 0 && 
-        world->ChunkAt((m_posX - cx) * CHUNK_SIZE_X, 1, (m_posY - cy - 1) * CHUNK_SIZE_Z))
+    if (z == 0 && m_posY - cy >= 0 && world->ChunkAt((m_posX - cx) * CHUNK_SIZE_X, 1, (m_posY - cy - 1) * CHUNK_SIZE_Z)) {
         world->ChunkAt((m_posX - cx) * CHUNK_SIZE_X, 1, (m_posY - cy - 1) * CHUNK_SIZE_Z)->MakeDirty();
-    else if (z == CHUNK_SIZE_X - 1 && m_posY - cy < WORLD_SIZE_Y &&
-        world->ChunkAt((m_posX - cx) * CHUNK_SIZE_X, 1, (m_posY - cy + 1) * CHUNK_SIZE_Z))
+        return Z_MINUS;
+    }
+    else if (z == CHUNK_SIZE_X - 1 && m_posY - cy < WORLD_SIZE_Y && world->ChunkAt((m_posX - cx) * CHUNK_SIZE_X, 1, (m_posY - cy + 1) * CHUNK_SIZE_Z)) {
         world->ChunkAt((m_posX - cx) * CHUNK_SIZE_X, 1, (m_posY - cy + 1) * CHUNK_SIZE_Z)->MakeDirty();
+        return Z_PLUS;
+    }
+
+    return NONE;
 }
 
 void Chunk::GetPosition(unsigned int& x, unsigned int& y) const { x = m_posX; y = m_posY; }
 
+void Chunk::AddAllVertices(VertexBuffer::VertexData* vd, int& count, BlockType bt, int cx, int cy, int x, int y, int z, float u, float v, float s, World* world) {
+    if (world->BlockAt(cx + 1, y, cy) == BTYPE_AIR) {
+        AddXPlusVertices(vd, count, bt, x, y, z, u, v, s);
+    }
+    if (world->BlockAt(cx - 1, y, cy) == BTYPE_AIR) {
+        AddXMinusVertices(vd, count, bt, x, y, z, u, v, s);
+    }
+    if (world->BlockAt(cx, y, cy + 1) == BTYPE_AIR) {
+        AddZPlusVertices(vd, count, bt, x, y, z, u, v, s);
+    }
+    if (world->BlockAt(cx, y, cy - 1) == BTYPE_AIR) {
+        AddZMinusVertices(vd, count, bt, x, y, z, u, v, s);
+    }
+}
+
 void Chunk::FlushMeshToVBO() {
     m_vertexBuffer.SetMeshData(m_vd, m_vcount);
     m_vcount = 0;
@@ -181,47 +202,66 @@ void Chunk::AddBlockToMesh(VertexBuffer::VertexData* vd, int& count, BlockType b
 
     int cx = x + (m_posX - cex) * CHUNK_SIZE_X, cy = z + (m_posY - cey) * CHUNK_SIZE_Z;
 
-    if (y == CHUNK_SIZE_Y - 1 || GetBlock(x, y + 1, z) == BTYPE_AIR) {                      //  y
+    bool isOnBorder = (x == 0 || x == CHUNK_SIZE_X - 1 ||
+                       z == 0 || z == CHUNK_SIZE_Z - 1 ||
+                       y == 0 || y == CHUNK_SIZE_Y - 1);
+
+    NEIGHBOR_CHUNK_POSITION ncp = CheckNeighbors(x, z, world);
+
+    if (y == CHUNK_SIZE_Y - 1 || GetBlock(x, y + 1, z) == BTYPE_AIR) {                                              // Y+
         vd[count++] = VertexBuffer::VertexData(x, y + 1.f, z, .8f, .8f, .8f, u, v);
         vd[count++] = VertexBuffer::VertexData(x, y + 1.f, z + 1.f, .8f, .8f, .8f, u, v + s);
         vd[count++] = VertexBuffer::VertexData(x + 1.f, y + 1.f, z + 1.f, .8f, .8f, .8f, u + s, v + s);
         vd[count++] = VertexBuffer::VertexData(x + 1.f, y + 1.f, z, .8f, .8f, .8f, u + s, v);
     }
 
-    if (y == 0 || GetBlock(x, y - 1, z) == BTYPE_AIR) {                                     // -y
+    if (y == 0 || GetBlock(x, y - 1, z) == BTYPE_AIR) {                                                             // Y-
         vd[count++] = VertexBuffer::VertexData(x, y, z + 1.f, .2f, .2f, .2f, u, v);
         vd[count++] = VertexBuffer::VertexData(x, y, z, .2f, .2f, .2f, u, v + s);
         vd[count++] = VertexBuffer::VertexData(x + 1.f, y, z, .2f, .2f, .2f, u + s, v + s);
         vd[count++] = VertexBuffer::VertexData(x + 1.f, y, z + 1.f, .2f, .2f, .2f, u + s, v);
     }
 
-    if (world->BlockAt(cx + 1, y, cy) == BTYPE_AIR) {                      //  x
-        vd[count++] = VertexBuffer::VertexData(x + 1.f, y, z, .9f, .9f, .9f, u, v);
-        vd[count++] = VertexBuffer::VertexData(x + 1.f, y + 1.f, z, .9f, .9f, .9f, u, v + s);
-        vd[count++] = VertexBuffer::VertexData(x + 1.f, y + 1.f, z + 1.f, .9f, .9f, .9f, u + s, v + s);
-        vd[count++] = VertexBuffer::VertexData(x + 1.f, y, z + 1.f, .9f, .9f, .9f, u + s, v);
+    if (!isOnBorder || (x == CHUNK_SIZE_X - 1 && ncp == X_PLUS) || (x == CHUNK_SIZE_X - 1 && ncp == NONE)) {        // X+
+        AddAllVertices(vd, count, bt, cx, cy, x, y, z, u, v, s, world);
     }
+    else if (!isOnBorder || (x == 0 && ncp == X_MINUS) || (x == 0 && ncp == NONE)) {							    // X-
+        AddAllVertices(vd, count, bt, cx, cy, x, y, z, u, v, s, world);
+	}
+    else if (!isOnBorder || (z == CHUNK_SIZE_Z - 1 && ncp == Z_PLUS) || (z == CHUNK_SIZE_Z - 1 && ncp == NONE)) {	// Z+
+        AddAllVertices(vd, count, bt, cx, cy, x, y, z, u, v, s, world);
+	}
+    else if (!isOnBorder || (z == 0 && ncp == Z_MINUS) || (z == 0 && ncp == NONE)) {								// Z-
+        AddAllVertices(vd, count, bt, cx, cy, x, y, z, u, v, s, world);
+    }
+}
 
-    if (world->BlockAt(cx - 1, y, cy) == BTYPE_AIR) {                                     // -x
-        vd[count++] = VertexBuffer::VertexData(x, y + 1.f, z + 1.f, .5f, .5f, .5f, u, v + s);
-        vd[count++] = VertexBuffer::VertexData(x, y + 1.f, z, .5f, .5f, .5f, u + s, v + s);
-        vd[count++] = VertexBuffer::VertexData(x, y, z, .5f, .5f, .5f, u + s, v);
-        vd[count++] = VertexBuffer::VertexData(x, y, z + 1.f, .5f, .5f, .5f, u, v);
-    }
+void Chunk::AddXPlusVertices(VertexBuffer::VertexData* vd, int& count, BlockType bt, int x, int y, int z, float u, float v, float s) {
+    vd[count++] = VertexBuffer::VertexData(x + 1.f, y, z, .9f, .9f, .9f, u, v);
+    vd[count++] = VertexBuffer::VertexData(x + 1.f, y + 1.f, z, .9f, .9f, .9f, u, v + s);
+    vd[count++] = VertexBuffer::VertexData(x + 1.f, y + 1.f, z + 1.f, .9f, .9f, .9f, u + s, v + s);
+    vd[count++] = VertexBuffer::VertexData(x + 1.f, y, z + 1.f, .9f, .9f, .9f, u + s, v);
+}
 
-    if (world->BlockAt(cx, y, cy + 1) == BTYPE_AIR) {                      //  z
-        vd[count++] = VertexBuffer::VertexData(x, y, z + 1.f, .4f, .4f, .4f, u, v);
-        vd[count++] = VertexBuffer::VertexData(x + 1.f, y, z + 1.f, .4f, .4f, .4f, u + s, v);
-        vd[count++] = VertexBuffer::VertexData(x + 1.f, y + 1.f, z + 1.f, .4f, .4f, .4f, u + s, v + s);
-        vd[count++] = VertexBuffer::VertexData(x, y + 1.f, z + 1.f, .4f, .4f, .4f, u, v + s);
-    }
+void Chunk::AddXMinusVertices(VertexBuffer::VertexData* vd, int& count, BlockType bt, int x, int y, int z, float u, float v, float s) {
+    vd[count++] = VertexBuffer::VertexData(x, y + 1.f, z + 1.f, .5f, .5f, .5f, u, v + s);
+    vd[count++] = VertexBuffer::VertexData(x, y + 1.f, z, .5f, .5f, .5f, u + s, v + s);
+    vd[count++] = VertexBuffer::VertexData(x, y, z, .5f, .5f, .5f, u + s, v);
+    vd[count++] = VertexBuffer::VertexData(x, y, z + 1.f, .5f, .5f, .5f, u, v);
+}
 
-    if (world->BlockAt(cx, y, cy - 1) == BTYPE_AIR) {                                     // -z
-        vd[count++] = VertexBuffer::VertexData(x, y + 1.f, z, 1.f, 1.f, 1.f, u, v + s);
-        vd[count++] = VertexBuffer::VertexData(x + 1.f, y + 1.f, z, 1.f, 1.f, 1.f, u + s, v + s);
-        vd[count++] = VertexBuffer::VertexData(x + 1.f, y, z , 1.f, 1.f, 1.f, u + s, v);
-        vd[count++] = VertexBuffer::VertexData(x, y, z , 1.f, 1.f, 1.f, u, v);
-    }
+void Chunk::AddZPlusVertices(VertexBuffer::VertexData* vd, int& count, BlockType bt, int x, int y, int z, float u, float v, float s) {
+    vd[count++] = VertexBuffer::VertexData(x, y, z + 1.f, .4f, .4f, .4f, u, v);
+    vd[count++] = VertexBuffer::VertexData(x + 1.f, y, z + 1.f, .4f, .4f, .4f, u + s, v);
+    vd[count++] = VertexBuffer::VertexData(x + 1.f, y + 1.f, z + 1.f, .4f, .4f, .4f, u + s, v + s);
+    vd[count++] = VertexBuffer::VertexData(x, y + 1.f, z + 1.f, .4f, .4f, .4f, u, v + s);
+}
+
+void Chunk::AddZMinusVertices(VertexBuffer::VertexData* vd, int& count, BlockType bt, int x, int y, int z, float u, float v, float s) {
+    vd[count++] = VertexBuffer::VertexData(x, y + 1.f, z, 1.f, 1.f, 1.f, u, v + s);
+    vd[count++] = VertexBuffer::VertexData(x + 1.f, y + 1.f, z, 1.f, 1.f, 1.f, u + s, v + s);
+    vd[count++] = VertexBuffer::VertexData(x + 1.f, y, z, 1.f, 1.f, 1.f, u + s, v);
+    vd[count++] = VertexBuffer::VertexData(x, y, z, 1.f, 1.f, 1.f, u, v);
 }
 
 void Chunk::Render() const { m_vertexBuffer.Render(); }

SQCSim2021/chunk.h

@@ -31,9 +31,14 @@ class Chunk {
         void RemoveBlock(int x, int y, int z, World* world);
         void SetBlock(int x, int y, int z, BlockType type, World* world);
         BlockType GetBlock(int x, int y, int z);
-        void CheckNeighbors(unsigned int x, unsigned int z, World* world);
+        NEIGHBOR_CHUNK_POSITION CheckNeighbors(unsigned int x, unsigned int z, World* world);
         void GetPosition(unsigned int& x, unsigned int& y) const;
 
+        void AddAllVertices(VertexBuffer::VertexData* vd, int& count, BlockType bt,int cx, int cy, int x, int y, int z, float u, float v, float s, World* world);
+        void AddXPlusVertices(VertexBuffer::VertexData* vd, int& count, BlockType bt, int x, int y, int z, float u, float v, float s);
+        void AddXMinusVertices(VertexBuffer::VertexData* vd, int& count, BlockType bt, int x, int y, int z, float u, float v, float s);
+        void AddZPlusVertices(VertexBuffer::VertexData* vd, int& count, BlockType bt, int x, int y, int z, float u, float v, float s);
+        void AddZMinusVertices(VertexBuffer::VertexData* vd, int& count, BlockType bt, int x, int y, int z, float u, float v, float s);
 
         void Update(BlockInfo* blockinfo[BTYPE_LAST], World* world);
         void FlushMeshToVBO();

SQCSim2021/define.h

@@ -4,7 +4,6 @@
 #include <SFML/Window.hpp>
 #include <SFML/Graphics.hpp>
 #include <iostream>
-#include <iomanip>
 
 #ifdef _WIN32
 #include <windows.h>
@@ -20,8 +19,8 @@
 #define SEED 12345
 
 #ifdef _DEBUG
-#define WORLD_SIZE_X 64
-#define WORLD_SIZE_Y 64
+#define WORLD_SIZE_X 2
+#define WORLD_SIZE_Y 2
 
 #define FRAMES_RENDER_CHUNKS 4
 #define FRAMES_UPDATE_CHUNKS 4
@@ -34,15 +33,14 @@
 #define VIEW_DISTANCE 256
 #define TEXTURE_SIZE 128
 #define MAX_BULLETS 64
-#define COUNTDOWN 300
 
 #define BASE_WIDTH 640
 #define BASE_HEIGHT 480
 #endif
 
 #ifdef NDEBUG
-#define WORLD_SIZE_X 16
-#define WORLD_SIZE_Y 16
+#define WORLD_SIZE_X 2
+#define WORLD_SIZE_Y 2
 
 #define FRAMES_RENDER_CHUNKS 1
 #define FRAMES_UPDATE_CHUNKS 1
@@ -60,6 +58,7 @@
 
 typedef uint8_t BlockType;
 enum BLOCK_TYPE { BTYPE_AIR, BTYPE_DIRT, BTYPE_GRASS, BTYPE_METAL, BTYPE_ICE, BTYPE_LAST };
+enum NEIGHBOR_CHUNK_POSITION { NONE, X_MINUS, X_PLUS, Z_MINUS, Z_PLUS };
 
 //#define TEXTURE_PATH        "../SQCSim2021/media/textures/"
 //#define SHADER_PATH		    "../SQCSim2021/media/shaders/"

SQCSim2021/engine.cpp

@@ -120,7 +120,7 @@ void Engine::DisplayCrosshair() {
 void Engine::DisplayCurrentItem() {
 }
 
-void Engine::DisplayHud(int timer) {
+void Engine::DisplayHud() {
 	glBindTexture(GL_TEXTURE_2D, 0);
 	glLoadIdentity();
 	glDisable(GL_BLEND);
@@ -186,13 +186,6 @@ void Engine::DisplayHud(int timer) {
 	std::ostringstream ss;
 	ss << m_player.GetUsername();
 	PrintText(fPosX, fPosY, scale, ss.str());
-
-	//Countdown
-	ss.str("");
-	ss << "Time: " << (int)(timer / 60) << ":" << std::setw(2) << std::setfill('0') << timer % 60;
-	PrintText(Width() - Width() * 0.15, Height() - (Height() / 19.2), scale, ss.str());
-	
-
 }
 
 void Engine::DisplayInfo(float elapsedTime, BlockType bloc) {
@@ -247,14 +240,13 @@ void Engine::DrawHud(float elapsedTime, BlockType bloc) {
 	glMatrixMode(GL_MODELVIEW);
 	glPushMatrix();
 
-	int timer = GetCountdown(elapsedTime);
 
 	if (m_displayInfo) {
 		DisplayInfo(elapsedTime, bloc);
 	}
 
 	if (m_displayHud) {
-		DisplayHud(timer);
+		DisplayHud();
 	}
 
 	if (m_displayCrosshair) {
@@ -303,18 +295,6 @@ float Engine::GetScale() const {
 }
 
 int Engine::GetFps(float elapsedTime) const { return 1 / elapsedTime; }
-int Engine::GetCountdown(float elapsedTime) {
-	if (m_resetcountdown)
-	{
-		m_countdown = m_time + COUNTDOWN;
-		m_resetcountdown = false;
-	}
-	if (m_countdown < m_time)
-		Stop();
-	if(!m_stopcountdown)
-		m_time += elapsedTime;
-	return m_countdown - (int)m_time;
-}
 
 void Engine::Render(float elapsedTime) {
 	//static float gameTime = elapsedTime;
@@ -444,8 +424,6 @@ void Engine::KeyPressEvent(unsigned char key) {
 		break;
 	case 5: // F - Ignorer
 		break;
-	case 6: // G - Ignorer
-		break;
 	case 12: // M - Ignorer
 		break;
 	case 7: // H - Ignorer
@@ -454,8 +432,6 @@ void Engine::KeyPressEvent(unsigned char key) {
 		break;
 	case 17: // R - Ignorer
 		break;
-	case 19: // T - Ignorer
-		break; 
 	case 24: // Y - Ignorer
 		break;
 	case 255: // Fn - Ignorer
@@ -480,10 +456,6 @@ void Engine::KeyReleaseEvent(unsigned char key) {
 	case 5: // F - Toggle flash
 		m_flash = !m_flash;
 		break;
-	case 6: // G - Toggle Stop Countdown
-		m_stopcountdown = !m_stopcountdown;
-		std::cout << "STOP COUNTDOWN " << (m_stopcountdown ? "enabled" : "disabled") << std::endl;
-		break;
 	case 7: // H - Toggle HUD
 		m_displayHud = !m_displayHud;
 		std::cout << "DISPLAY HUD " << (m_displayHud ? "enabled" : "disabled") << std::endl;
@@ -501,10 +473,6 @@ void Engine::KeyReleaseEvent(unsigned char key) {
 	case 18: // S - Stop reculer
 		m_keyS = false;
 		break;
-	case 19: // T -Reset countdown
-		m_resetcountdown = true;
-		std::cout << "RESET COUNTDOWN" << std::endl;
-		break;
 	case 22: // W - Stop avancer
 		m_keyW = false;
 		break;

SQCSim2021/engine.h

@@ -35,13 +35,12 @@ private:
     float GetScale() const;
 
     int GetFps(float elapsedTime) const;
-    int GetCountdown(float elapsedTime);
 
     bool LoadTexture(Texture& texture, const std::string& filename, bool useMipmaps = true, bool stopOnError = true);
 
     void DisplayCrosshair();
     void DisplayCurrentItem();
-    void DisplayHud(int timer);
+    void DisplayHud();
     void DisplayInfo(float elapsedTime, BlockType bloc);
     void DrawHud(float elapsedTime, BlockType bloc);
     void PrintText(float x, float y, float scale, const std::string& t);
@@ -68,10 +67,8 @@ private:
     Bullet* m_bullets[MAX_BULLETS];
 
     float m_scale;
-    float m_time = 0;
 
     int m_renderCount = 0;
-    int m_countdown = COUNTDOWN;
 
     bool m_wireframe = false;
     bool m_isSkybox = true;
@@ -80,8 +77,6 @@ private:
     bool m_displayCrosshair = true;
     bool m_displayHud = true;
     bool m_displayInfo = false;
-    bool m_resetcountdown = false;
-    bool m_stopcountdown = false;
     
     bool m_keyW = false;
     bool m_keyA = false;