233 lines
7.9 KiB
C++
233 lines
7.9 KiB
C++
#include "RenderSystem.h"
|
||
#include "Environment.h"
|
||
#include "Utils.h"
|
||
#include "Inventory.h"
|
||
#include <GL/gl.h>
|
||
|
||
|
||
|
||
namespace ZL {
|
||
|
||
void RenderSystem::initialize() {
|
||
renderer.shaderManager.AddShaderFromFiles("default", "./default.vertex", "./default.fragment");
|
||
renderer.shaderManager.AddShaderFromFiles("defaultColor", "./defaultColor.vertex", "./defaultColor.fragment");
|
||
renderer.InitOpenGL();
|
||
}
|
||
|
||
void RenderSystem::drawScene(GameObjectManager& gameObjects) {
|
||
static const std::string defaultShaderName = "default";
|
||
static const std::string vPositionName = "vPosition";
|
||
static const std::string vTexCoordName = "vTexCoord";
|
||
static const std::string textureUniformName = "Texture";
|
||
|
||
glClearColor(0.0f, 0.5f, 1.0f, 1.0f);
|
||
glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
|
||
|
||
glViewport(0, 0, Environment::width, Environment::height);
|
||
/*
|
||
renderer.shaderManager.PushShader(defaultShaderName);
|
||
renderer.RenderUniform1i(textureUniformName, 0);
|
||
|
||
renderer.EnableVertexAttribArray(vPositionName);
|
||
renderer.EnableVertexAttribArray(vTexCoordName);
|
||
*/
|
||
drawWorld(gameObjects);
|
||
drawUI(gameObjects);
|
||
|
||
/*renderer.DisableVertexAttribArray(vPositionName);
|
||
renderer.DisableVertexAttribArray(vTexCoordName);
|
||
renderer.shaderManager.PopShader();*/
|
||
|
||
CheckGlError();
|
||
}
|
||
|
||
void RenderSystem::drawViola(GameObjectManager& gameObjects)
|
||
{
|
||
static const std::string defaultShaderName = "default";
|
||
static const std::string colorShaderName = "defaultColor";
|
||
|
||
static const std::string vPositionName = "vPosition";
|
||
static const std::string vTexCoordName = "vTexCoord";
|
||
static const std::string vColorName = "vColor";
|
||
static const std::string textureUniformName = "Texture";
|
||
|
||
renderer.shaderManager.PushShader(colorShaderName);
|
||
|
||
renderer.EnableVertexAttribArray(vPositionName);
|
||
renderer.PushPerspectiveProjectionMatrix(1.0 / 1.5,
|
||
static_cast<float>(Environment::width) / static_cast<float>(Environment::height),
|
||
50, 10000);
|
||
renderer.PushMatrix();
|
||
|
||
renderer.LoadIdentity();
|
||
renderer.TranslateMatrix({ 0,0, -100 * Environment::zoom });
|
||
|
||
float t = 0.3;
|
||
renderer.RotateMatrix(QuatFromRotateAroundX(t * M_PI / 2.0));
|
||
renderer.ScaleMatrix(10);
|
||
|
||
renderer.RotateMatrix(QuatFromRotateAroundX(-M_PI / 2.0));
|
||
//float t = 0.3;
|
||
|
||
//renderer.RotateMatrix(QuatFromRotateAroundX(t * M_PI / 2.0));
|
||
|
||
|
||
gameObjects.bxMutable.AssignFrom(gameObjects.bx.mesh);
|
||
gameObjects.bxMutable.RefreshVBO();
|
||
renderer.DrawVertexRenderStruct(gameObjects.bxMutable);
|
||
|
||
|
||
renderer.PopMatrix();
|
||
renderer.PopProjectionMatrix();
|
||
renderer.DisableVertexAttribArray(vPositionName);
|
||
|
||
renderer.shaderManager.PopShader();
|
||
}
|
||
|
||
void RenderSystem::drawWorld(GameObjectManager& gameObjects) {
|
||
static const std::string defaultShaderName = "default";
|
||
static const std::string colorShaderName = "defaultColor";
|
||
|
||
static const std::string vPositionName = "vPosition";
|
||
static const std::string vTexCoordName = "vTexCoord";
|
||
static const std::string vColorName = "vColor";
|
||
static const std::string textureUniformName = "Texture";
|
||
|
||
/*
|
||
renderer.shaderManager.PushShader(defaultShaderName);
|
||
renderer.RenderUniform1i(textureUniformName, 0);
|
||
|
||
renderer.EnableVertexAttribArray(vPositionName);
|
||
renderer.EnableVertexAttribArray(vTexCoordName);
|
||
*/
|
||
|
||
|
||
|
||
// Draw cone
|
||
//glBindTexture(GL_TEXTURE_2D, gameObjects.coneTexturePtr->getTexID());
|
||
//renderer.DrawVertexRenderStruct(gameObjects.coneMeshMutable);
|
||
|
||
drawViola(gameObjects);
|
||
|
||
renderer.shaderManager.PushShader(defaultShaderName);
|
||
renderer.RenderUniform1i(textureUniformName, 0);
|
||
|
||
renderer.EnableVertexAttribArray(vPositionName);
|
||
renderer.EnableVertexAttribArray(vTexCoordName);
|
||
|
||
|
||
renderer.PushPerspectiveProjectionMatrix(1.0 / 1.5,
|
||
static_cast<float>(Environment::width) / static_cast<float>(Environment::height),
|
||
50, 10000);
|
||
renderer.PushMatrix();
|
||
|
||
renderer.LoadIdentity();
|
||
renderer.TranslateMatrix({ 0,0, -100 * Environment::zoom });
|
||
|
||
float t = 0.3;
|
||
renderer.RotateMatrix(QuatFromRotateAroundX(t * M_PI / 2.0));
|
||
|
||
renderer.TranslateMatrix(Environment::cameraShift);
|
||
|
||
// Draw active objects
|
||
for (const auto& ao : gameObjects.activeObjects) {
|
||
renderer.PushMatrix();
|
||
renderer.TranslateMatrix(ao.objectPos);
|
||
glBindTexture(GL_TEXTURE_2D, ao.activeObjectTexturePtr->getTexID());
|
||
renderer.DrawVertexRenderStruct(ao.activeObjectMeshMutable);
|
||
renderer.PopMatrix();
|
||
}
|
||
|
||
// Draw room
|
||
glBindTexture(GL_TEXTURE_2D, gameObjects.roomTexturePtr->getTexID());
|
||
renderer.DrawVertexRenderStruct(gameObjects.textMeshMutable);
|
||
|
||
|
||
Matrix4f latestProjectionModelView = renderer.GetProjectionModelViewMatrix();
|
||
|
||
// Проверяем пересечение с мышью после расчета всех матриц
|
||
const_cast<GameObjectManager&>(gameObjects).checkMouseIntersection(
|
||
lastMouseX, lastMouseY, latestProjectionModelView);
|
||
|
||
renderer.PopMatrix();
|
||
renderer.PopProjectionMatrix();
|
||
|
||
renderer.DisableVertexAttribArray(vPositionName);
|
||
renderer.DisableVertexAttribArray(vTexCoordName);
|
||
renderer.shaderManager.PopShader();
|
||
|
||
// Store matrix for UI rendering
|
||
currentProjectionModelView = latestProjectionModelView;
|
||
}
|
||
|
||
void RenderSystem::drawUI(const GameObjectManager& gameObjects) {
|
||
// Устанавливаем нужный шейдер для UI (например, "default")
|
||
renderer.shaderManager.PushShader("default");
|
||
|
||
renderer.PushProjectionMatrix(static_cast<float>(Environment::width),
|
||
static_cast<float>(Environment::height));
|
||
renderer.PushMatrix();
|
||
renderer.LoadIdentity();
|
||
|
||
// Draw hidden UI
|
||
for (const auto* ao : gameObjects.aoMgr.findByHighlighted(true)) {
|
||
std::cout << ao -> name << std::endl;
|
||
std::cout << "Draw" << std::endl;
|
||
if (ao->activeObjectScreenTexturePtr) {
|
||
std::cout << "Found activeObjectScreenTexturePtr" << std::endl;
|
||
int screenX, screenY;
|
||
worldToScreenCoordinates(ao->objectPos, currentProjectionModelView,
|
||
Environment::width, Environment::height, screenX, screenY);
|
||
renderer.PushMatrix();
|
||
renderer.TranslateMatrix(Vector3f{100, 100, 0});
|
||
glBindTexture(GL_TEXTURE_2D, ao->activeObjectScreenTexturePtr->getTexID());
|
||
renderer.DrawVertexRenderStruct(ao->activeObjectScreenMeshMutable);
|
||
renderer.PopMatrix();
|
||
}
|
||
}
|
||
|
||
const auto& inventoryMap = ZL::ReturnInventory();
|
||
int i = 0;
|
||
for (const auto& [name, item] : inventoryMap) {
|
||
renderer.PushMatrix();
|
||
|
||
float xPos = Environment::width
|
||
- gameObjects.INVENTORY_MARGIN
|
||
- gameObjects.INVENTORY_ICON_SIZE;
|
||
float yPos = gameObjects.INVENTORY_MARGIN
|
||
+ i * (gameObjects.INVENTORY_ICON_SIZE
|
||
+ gameObjects.INVENTORY_MARGIN);
|
||
|
||
renderer.TranslateMatrix(Vector3f{xPos, yPos, 0.0f});
|
||
glBindTexture(GL_TEXTURE_2D, item.texture->getTexID());
|
||
renderer.DrawVertexRenderStruct(gameObjects.inventoryIconMeshMutable);
|
||
|
||
renderer.PopMatrix();
|
||
i++;
|
||
}
|
||
|
||
renderer.PopMatrix();
|
||
renderer.PopProjectionMatrix();
|
||
|
||
// Снимаем шейдер, тем самым балансируем стек
|
||
renderer.shaderManager.PopShader();
|
||
}
|
||
|
||
|
||
void RenderSystem::worldToScreenCoordinates(Vector3f objectPos,
|
||
Matrix4f projectionModelView,
|
||
int screenWidth, int screenHeight,
|
||
int& screenX, int& screenY) {
|
||
|
||
Vector4f inx = { objectPos.v[0], objectPos.v[1], objectPos.v[2], 1.0f};
|
||
Vector4f clipCoords = MultMatrixVector(projectionModelView, inx);
|
||
|
||
float ndcX = clipCoords.v[0] / clipCoords.v[3];
|
||
float ndcY = clipCoords.v[1] / clipCoords.v[3];
|
||
|
||
screenX = (int)((ndcX + 1.0f) * 0.5f * screenWidth);
|
||
screenY = (int)((1.0f + ndcY) * 0.5f * screenHeight);
|
||
}
|
||
|
||
} // namespace ZL
|