mirror of
https://github.com/rwengine/openrw.git
synced 2024-09-20 01:11:46 +02:00
04a8a7d9c5
- Removed interleaved data from CollisionInstance as Bullet didn't understand. - Improved performance of the DebugDraw to around 2-3 fps
138 lines
3.8 KiB
C++
138 lines
3.8 KiB
C++
#include "renderwure/render/DebugDraw.hpp"
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#define GLEW_STATIC
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#include <GL/glew.h>
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#include <glm/glm.hpp>
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#include <glm/gtc/matrix_transform.hpp>
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#include <glm/gtc/type_ptr.hpp>
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#include <iostream>
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DebugDraw::DebugDraw()
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{
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glGenBuffers(1, &vbo);
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glGenVertexArrays(1, &vao);
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glGenTextures(1, &texture);
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maxlines = 0;
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}
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DebugDraw::~DebugDraw()
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{
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glDeleteBuffers(1, &vbo);
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glDeleteVertexArrays(1, &vbo);
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glDeleteTextures(1, &texture);
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}
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void DebugDraw::drawLine(const btVector3 &from, const btVector3 &to, const btVector3 &color)
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{
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lines.push_back(glm::vec3(from.getX(), from.getY(), from.getZ()));
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lines.push_back(glm::vec3(to.getX(), to.getY(), to.getZ()));
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this->color = color;
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}
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void DebugDraw::drawTriangle(const btVector3 &a, const btVector3 &b, const btVector3 &c, const btVector3 &color, btScalar alpha)
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{
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/*glActiveTexture(GL_TEXTURE0);
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glBindTexture(GL_TEXTURE_2D, texture);
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float img[] = {color.getX(), color.getY(), color.getZ()};
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glTexImage2D(
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GL_TEXTURE_2D, 0, GL_RGB, 1, 1,
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0, GL_RGB, GL_FLOAT, img
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);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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glBindVertexArray(vao);
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glBindBuffer(GL_ARRAY_BUFFER, vbo);
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GLint posAttrib = glGetAttribLocation(shaderProgram, "position");
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GLint uniModel = glGetUniformLocation(shaderProgram, "model");
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float verts[] = {
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a.getX(), a.getY(), a.getZ(),
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b.getX(), b.getY(), b.getZ(),
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c.getX(), c.getY(), c.getZ(),
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};
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glBufferData(GL_ARRAY_BUFFER, sizeof(verts), verts, GL_STREAM_DRAW);
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glEnableVertexAttribArray(posAttrib);
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glVertexAttribPointer(posAttrib, 3, GL_FLOAT, GL_FALSE, 0, 0);
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glm::mat4 model;
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glUniformMatrix4fv(uniModel, 1, GL_FALSE, glm::value_ptr(model));
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glDrawArrays(GL_TRIANGLES, 0, 3);*/
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}
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void DebugDraw::drawContactPoint(const btVector3 &pointOnB, const btVector3 &normalOnB, btScalar distance, int lifeTime, const btVector3 &color)
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{
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}
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void DebugDraw::drawAllLines()
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{
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if(lines.size() == 0) {
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return;
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}
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glActiveTexture(GL_TEXTURE0);
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glBindTexture(GL_TEXTURE_2D, texture);
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glActiveTexture(GL_TEXTURE0);
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glBindTexture(GL_TEXTURE_2D, texture);
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float img[] = {color.getX(), color.getY(), color.getZ()};
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glTexImage2D(
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GL_TEXTURE_2D, 0, GL_RGB, 1, 1,
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0, GL_RGB, GL_FLOAT, img
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);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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GLint posAttrib = glGetAttribLocation(shaderProgram, "position");
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GLint uniModel = glGetUniformLocation(shaderProgram, "model");
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glBindVertexArray(vao);
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glBindBuffer(GL_ARRAY_BUFFER, vbo);
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if( lines.size() > maxlines ) {
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glBufferData(GL_ARRAY_BUFFER, sizeof(glm::vec3) * lines.size(), &lines[0].x, GL_STREAM_DRAW);
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}
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else {
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glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(glm::vec3) * lines.size(), &lines[0].x);
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}
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maxlines = std::max(maxlines, lines.size());
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glEnableVertexAttribArray(posAttrib);
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glVertexAttribPointer(posAttrib, 3, GL_FLOAT, GL_FALSE, 0, 0);
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glm::mat4 model;
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glUniformMatrix4fv(uniModel, 1, GL_FALSE, glm::value_ptr(model));
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glDrawArrays(GL_LINES, 0, lines.size());
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lines.clear();
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}
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void DebugDraw::reportErrorWarning(const char *warningString)
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{
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std::cerr << warningString << std::endl;
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}
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void DebugDraw::draw3dText(const btVector3 &location, const char *textString)
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{
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std::cout << textString << std::endl;
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}
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void DebugDraw::setDebugMode(int debugMode)
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{
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this->debugMode = debugMode;
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}
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int DebugDraw::getDebugMode() const
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{
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return debugMode;
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}
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