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-rw-r--r--src/core/Core.cpp307
1 files changed, 27 insertions, 280 deletions
diff --git a/src/core/Core.cpp b/src/core/Core.cpp
index 50bcd81..5538439 100644
--- a/src/core/Core.cpp
+++ b/src/core/Core.cpp
@@ -1,139 +1,5 @@
#include "Core.hpp"
-GLenum glCheckError_(const char *file, int line) {
- GLenum errorCode;
- while ((errorCode = glGetError()) != GL_NO_ERROR) {
- std::string error;
- switch (errorCode) {
- case GL_INVALID_ENUM:
- error = "INVALID_ENUM";
- break;
- case GL_INVALID_VALUE:
- error = "INVALID_VALUE";
- break;
- case GL_INVALID_OPERATION:
- error = "INVALID_OPERATION";
- break;
- case GL_STACK_OVERFLOW:
- error = "STACK_OVERFLOW";
- break;
- case GL_STACK_UNDERFLOW:
- error = "STACK_UNDERFLOW";
- break;
- case GL_OUT_OF_MEMORY:
- error = "OUT_OF_MEMORY";
- break;
- case GL_INVALID_FRAMEBUFFER_OPERATION:
- error = "INVALID_FRAMEBUFFER_OPERATION";
- break;
- }
- LOG(ERROR) << "OpenGL error: " << error << " at " << file << ":" << line;
- }
- return errorCode;
-}
-
-#define glCheckError() glCheckError_(__FILE__, __LINE__)
-
-const GLfloat vertices[] = {
- //Z+ edge
- -0.5f, 0.5f, 0.5f,
- -0.5f, -0.5f, 0.5f,
- 0.5f, -0.5f, 0.5f,
- -0.5f, 0.5f, 0.5f,
- 0.5f, -0.5f, 0.5f,
- 0.5f, 0.5f, 0.5f,
-
- //Z- edge
- -0.5f, -0.5f, -0.5f,
- -0.5f, 0.5f, -0.5f,
- 0.5f, -0.5f, -0.5f,
- 0.5f, -0.5f, -0.5f,
- -0.5f, 0.5f, -0.5f,
- 0.5f, 0.5f, -0.5f,
-
- //X+ edge
- -0.5f, -0.5f, -0.5f,
- -0.5f, -0.5f, 0.5f,
- -0.5f, 0.5f, -0.5f,
- -0.5f, 0.5f, -0.5f,
- -0.5f, -0.5f, 0.5f,
- -0.5f, 0.5f, 0.5f,
-
- //X- edge
- 0.5f, -0.5f, 0.5f,
- 0.5f, 0.5f, -0.5f,
- 0.5f, 0.5f, 0.5f,
- 0.5f, -0.5f, 0.5f,
- 0.5f, -0.5f, -0.5f,
- 0.5f, 0.5f, -0.5f,
-
- //Y+ edge
- 0.5f, 0.5f, -0.5f,
- -0.5f, 0.5f, 0.5f,
- 0.5f, 0.5f, 0.5f,
- 0.5f, 0.5f, -0.5f,
- -0.5f, 0.5f, -0.5f,
- -0.5f, 0.5f, 0.5f,
-
- //Y- edge
- -0.5f, -0.5f, 0.5f,
- 0.5f, -0.5f, -0.5f,
- 0.5f, -0.5f, 0.5f,
- -0.5f, -0.5f, -0.5f,
- 0.5f, -0.5f, -0.5f,
- -0.5f, -0.5f, 0.5f,
-};
-
-const GLfloat uv_coords[] = {
- //Z+
- 0.0f, 1.0f,
- 0.0f, 0.0f,
- 1.0f, 0.0f,
- 0.0f, 1.0f,
- 1.0f, 0.0f,
- 1.0f, 1.0f,
-
- //Z-
- 1.0f, 0.0f,
- 1.0f, 1.0f,
- 0.0f, 0.0f,
- 0.0f, 0.0f,
- 1.0f, 1.0f,
- 0.0f, 1.0f,
-
- //X+
- 0.0f, 0.0f,
- 1.0f, 0.0f,
- 0.0f, 1.0f,
- 0.0f, 1.0f,
- 1.0f, 0.0f,
- 1.0f, 1.0f,
-
- //X-
- 0.0f, 0.0f,
- 1.0f, 1.0f,
- 0.0f, 1.0f,
- 0.0f, 0.0f,
- 1.0f, 0.0f,
- 1.0f, 1.0f,
-
- //Y+
- 0.0f, 0.0f,
- 1.0f, 1.0f,
- 0.0f, 1.0f,
- 0.0f, 0.0f,
- 1.0f, 0.0f,
- 1.0f, 1.0f,
-
- //Y-
- 1.0f, 0.0f,
- 0.0f, 1.0f,
- 0.0f, 0.0f,
- 1.0f, 1.0f,
- 0.0f, 1.0f,
- 1.0f, 0.0f,
-};
-
Core::Core() {
LOG(INFO) << "Core initializing...";
InitSfml(900, 450, "AltCraft");
@@ -145,7 +11,7 @@ Core::Core() {
std::thread loop = std::thread(&Core::UpdateGameState, this);
std::swap(loop, gameStateLoopThread);
assetManager = new AssetManager;
- PrepareToWorldRendering();
+ PrepareToRendering();
LOG(INFO) << "Core is initialized";
glCheckError();
}
@@ -254,8 +120,8 @@ void Core::InitGlew() {
//glEnable(GL_CULL_FACE);
glCullFace(GL_BACK);
glFrontFace(GL_CCW);
- glEnable(GL_BLEND);
- glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ //glEnable(GL_BLEND);
+ //glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glCheckError();
}
@@ -336,10 +202,6 @@ void Core::HandleMouseCapture() {
//camera.ProcessMouseMovement(mouseXDelta, mouseYDelta);
}
-void Core::RenderGui(Gui &Target) {
- Target.WHY++;
-}
-
void Core::RenderWorld() {
shader->Use();
glCheckError();
@@ -356,9 +218,8 @@ void Core::RenderWorld() {
glCheckError();
- glBindVertexArray(VAO);
- for (auto &sectionPos : toRender) {
- //Section &section = gameState->world.sections.find(sectionPos)->second;
+ for (auto &render : toRender) {
+ Section &section = *availableChunks.find(render)->second.GetSection();
std::vector<Vector> sectionCorners = {
Vector(0, 0, 0),
@@ -373,8 +234,9 @@ void Core::RenderWorld() {
bool isBreak = true;
for (auto &it:sectionCorners) {
glm::mat4 vp = projection * view;
- glm::vec3 point(sectionPos.GetX() * 16 + it.GetX(), sectionPos.GetY() * 16 + it.GetY(),
- sectionPos.GetZ() * 16 + it.GetZ());
+ glm::vec3 point(section.GetPosition().GetX() * 16 + it.GetX(),
+ section.GetPosition().GetY() * 16 + it.GetY(),
+ section.GetPosition().GetZ() * 16 + it.GetZ());
glm::vec4 p = vp * glm::vec4(point, 1);
glm::vec3 res = glm::vec3(p) / p.w;
if (res.x < 1 && res.x > -1 && res.y < 1 && res.y > -1 && res.z > 0) {
@@ -383,24 +245,13 @@ void Core::RenderWorld() {
}
}
if (isBreak && glm::length(gameState->Position() -
- glm::vec3(sectionPos.GetX() * 16, sectionPos.GetY() * 16, sectionPos.GetZ() * 16)) >
- 30) {
+ glm::vec3(section.GetPosition().GetX() * 16,
+ section.GetPosition().GetY() * 16,
+ section.GetPosition().GetZ() * 16)) > 30.0f) {
continue;
}
-
- std::vector<glm::mat4> &arrOfModels = toRenderModels[sectionPos];
- std::vector<glm::vec2> &arrOfBlocks = toRenderBlocks[sectionPos];
-
- glBindBuffer(GL_ARRAY_BUFFER, VBO3);
- glBufferData(GL_ARRAY_BUFFER, arrOfModels.size() * sizeof(glm::mat4), arrOfModels.data(), GL_DYNAMIC_DRAW);
-
- glBindBuffer(GL_ARRAY_BUFFER, VBO4);
- glBufferData(GL_ARRAY_BUFFER, arrOfBlocks.size() * sizeof(glm::vec2), arrOfBlocks.data(), GL_DYNAMIC_DRAW);
-
- glBindBuffer(GL_ARRAY_BUFFER, 0);
- glDrawArraysInstanced(GL_TRIANGLES, 0, 36, arrOfModels.size());
+ availableChunks.find(render)->second.Render(renderState);
}
- glBindVertexArray(0);
glCheckError();
}
@@ -411,66 +262,10 @@ void Core::SetMouseCapture(bool IsCaptured) {
window->setMouseCursorVisible(!IsCaptured);
}
-void Core::PrepareToWorldRendering() {
- //Cube-rendering data
- glGenBuffers(1, &VBO);
- glGenBuffers(1, &VBO2);
- glGenBuffers(1, &VBO3);
- glGenBuffers(1, &VBO4);
- glGenVertexArrays(1, &VAO);
-
- glBindVertexArray(VAO);
- {
- //Cube vertices
- glBindBuffer(GL_ARRAY_BUFFER, VBO);
- glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
- glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(GLfloat), 0);
- glEnableVertexAttribArray(0);
-
- //Cube UVs
- glBindBuffer(GL_ARRAY_BUFFER, VBO2);
- glBufferData(GL_ARRAY_BUFFER, sizeof(uv_coords), uv_coords, GL_STATIC_DRAW);
- glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, 2 * sizeof(GLfloat), 0);
- glEnableVertexAttribArray(2);
-
- //Blocks ids
- glBindBuffer(GL_ARRAY_BUFFER, VBO4);
- glBufferData(GL_ARRAY_BUFFER, sizeof(glm::vec2) * 16 * 16 * 16, NULL, GL_DYNAMIC_DRAW);
- glVertexAttribPointer(7, 2, GL_FLOAT, GL_FALSE, 2 * sizeof(GLfloat), 0);
- glEnableVertexAttribArray(7);
- glVertexAttribDivisor(7, 1);
- glCheckError();
-
- //Blocks models
- glBindBuffer(GL_ARRAY_BUFFER, VBO3);
- glBufferData(GL_ARRAY_BUFFER, sizeof(glm::mat4) * 16 * 16 * 16, NULL, GL_DYNAMIC_DRAW);
- glVertexAttribPointer(8, 4, GL_FLOAT, GL_FALSE, 4 * 4 * sizeof(GLfloat), 0);
- glEnableVertexAttribArray(8);
- glVertexAttribPointer(8 + 1, 4, GL_FLOAT, GL_FALSE, 4 * 4 * sizeof(GLfloat),
- (void *) (1 * 4 * sizeof(GLfloat)));
- glEnableVertexAttribArray(8 + 1);
- glVertexAttribPointer(8 + 2, 4, GL_FLOAT, GL_FALSE, 4 * 4 * sizeof(GLfloat),
- (void *) (2 * 4 * sizeof(GLfloat)));
- glEnableVertexAttribArray(8 + 2);
- glVertexAttribPointer(8 + 3, 4, GL_FLOAT, GL_FALSE, 4 * 4 * sizeof(GLfloat),
- (void *) (3 * 4 * sizeof(GLfloat)));
- glEnableVertexAttribArray(8 + 3);
- glVertexAttribDivisor(8, 1);
- glVertexAttribDivisor(8 + 1, 1);
- glVertexAttribDivisor(8 + 2, 1);
- glVertexAttribDivisor(8 + 3, 1);
-
- glBindBuffer(GL_ARRAY_BUFFER, 0);
- }
- glBindVertexArray(0);
-
- glCheckError();
-
+void Core::PrepareToRendering() {
shader = new Shader("./shaders/block.vs", "./shaders/block.fs");
shader->Use();
- shader2 = new Shader("./shaders/simple.vs", "./shaders/simple.fs");
-
LOG(INFO) << "Initializing texture atlas...";
//TextureAtlas texture
glActiveTexture(GL_TEXTURE0);
@@ -507,10 +302,10 @@ void Core::PrepareToWorldRendering() {
GLuint bp1 = 0;
GLuint ubo = glGetUniformBlockIndex(shader->Program, "TextureIndexes");
glUniformBlockBinding(shader->Program, ubo, bp1);
- glGenBuffers(1, &UBO);
- glBindBuffer(GL_UNIFORM_BUFFER, UBO);
- glBindBufferBase(GL_UNIFORM_BUFFER, bp1, UBO);
- glBufferData(GL_UNIFORM_BUFFER, sizeof(glm::vec4) + sizeof(glm::vec4) * 1023, NULL, GL_STATIC_DRAW);
+ glGenBuffers(1, &UboTextureIndexes);
+ glBindBuffer(GL_UNIFORM_BUFFER, UboTextureIndexes);
+ glBindBufferBase(GL_UNIFORM_BUFFER, bp1, UboTextureIndexes);
+ glBufferData(GL_UNIFORM_BUFFER, sizeof(glm::vec4) + sizeof(glm::vec4) * 1023, nullptr, GL_STATIC_DRAW);
glBufferSubData(GL_UNIFORM_BUFFER, 0, sizeof(GLint), &totalTextures); //copy totalTextures
for (size_t i = 0; i < indexes.size(); i++) {
size_t baseOffset = sizeof(glm::vec4);
@@ -523,26 +318,13 @@ void Core::PrepareToWorldRendering() {
GLuint bp2 = 1;
GLuint ubo2_index = glGetUniformBlockIndex(shader->Program, "TextureData");
glUniformBlockBinding(shader->Program, ubo2_index, bp2);
- glGenBuffers(1, &UBO2);
- glBindBuffer(GL_UNIFORM_BUFFER, UBO2);
- glBindBufferBase(GL_UNIFORM_BUFFER, bp2, UBO2);
- glBufferData(GL_UNIFORM_BUFFER, sizeof(glm::vec4) * 1024, NULL, GL_STATIC_DRAW);
+ glGenBuffers(1, &UboTextureData);
+ glBindBuffer(GL_UNIFORM_BUFFER, UboTextureData);
+ glBindBufferBase(GL_UNIFORM_BUFFER, bp2, UboTextureData);
+ glBufferData(GL_UNIFORM_BUFFER, sizeof(glm::vec4) * 1024, nullptr, GL_STATIC_DRAW);
glBufferSubData(GL_UNIFORM_BUFFER, 0, sizeof(glm::vec4) * textureCoordinates.size(), textureCoordinates.data());
glBindBuffer(GL_UNIFORM_BUFFER, 0);
glCheckError();
-
- //Draw Lines preparing
- glGenBuffers(1, &VBO5);
- glGenVertexArrays(1, &VAO2);
- glBindVertexArray(VAO2);
- {
- glBindBuffer(GL_ARRAY_BUFFER, VBO5);
- glBufferData(GL_ARRAY_BUFFER, 6 * sizeof(GLfloat), NULL, GL_DYNAMIC_DRAW);
- glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(GLfloat), 0);
- glEnableVertexAttribArray(0);
- glBindBuffer(GL_ARRAY_BUFFER, 0);
- }
- glBindVertexArray(0);
}
void Core::UpdateChunksToRender() {
@@ -564,51 +346,16 @@ void Core::UpdateChunksToRender() {
continue;
toRender.push_back(it.first);
}
- if (firstTime)
- LOG(INFO) << "Chunks to render: " << toRender.size();
for (auto &it:toRender) {
- Section &section = gameState->world.sections.find(it)->second;
- std::vector<glm::mat4> models;
- std::vector<glm::vec2> blocks;
- for (int y = 0; y < 16; y++) {
- for (int z = 0; z < 16; z++) {
- for (int x = 0; x < 16; x++) {
- Block block = section.GetBlock(Vector(x, y, z));
- if (block.id == 0)
- continue;
- unsigned char isVisible = 0;
- if (x == 0 || x == 15 || y == 0 || y == 15 || z == 0 || z == 15) {
- isVisible = 0;
- } else {
- isVisible |= (section.GetBlock(Vector(x + 1, y, z)).id != 0) << 0;
- isVisible |= (section.GetBlock(Vector(x - 1, y, z)).id != 0) << 1;
- isVisible |= (section.GetBlock(Vector(x, y + 1, z)).id != 0) << 2;
- isVisible |= (section.GetBlock(Vector(x, y - 1, z)).id != 0) << 3;
- isVisible |= (section.GetBlock(Vector(x, y, z + 1)).id != 0) << 4;
- isVisible |= (section.GetBlock(Vector(x, y, z - 1)).id != 0) << 5;
- }
- if (isVisible == 0x3F)
- continue;
- glm::vec2 data(block.id, block.state);
- blocks.push_back(data);
- glm::mat4 model;
- model = glm::translate(model, glm::vec3(it.GetX() * 16, it.GetY() * 16, it.GetZ() * 16));
- model = glm::translate(model, glm::vec3(x, y, z));
- double size = 0.999;
- model = glm::scale(model, glm::vec3(size, size, size));
- models.push_back(model);
- }
- }
+ if (availableChunks.find(it) == availableChunks.end()) {
+ auto pair = std::make_pair(it, RenderSection(&gameState->world, it));
+ availableChunks.insert(pair);
+ } else {
+ availableChunks.find(it)->second.UpdateState();
}
- toRenderBlocks[it] = blocks;
- toRenderModels[it] = models;
}
- std::sort(toRender.begin(), toRender.end(), [this](const Vector &lhs, const Vector &rhs) {
- return glm::length((glm::vec3) lhs - gameState->Position()) <
- glm::length((glm::vec3) rhs - gameState->Position());
- });
if (firstTime)
- LOG(INFO) << "Chunks is prepared to rendering...";
+ LOG(INFO) << "Chunks to render: " << toRender.size() << " of " << availableChunks.size();
firstTime = false;
}
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