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bug fix: initialize last frame timestamp

This commit is contained in:
Frank DeMarco 2019-05-31 23:34:04 -04:00
parent c71635e5d6
commit 437f2d321c
5 changed files with 359 additions and 353 deletions
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680
demo/Demo.cpp
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@ -109,356 +109,10 @@ void set_framerate_indicator(int frame_count, GLuint id)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
}
struct Demo : Game
Mushroom::Mushroom(Node *parent) : Sprite(parent, "resource/shrooms")
{
SDL_Texture *grass_texture;
int frame_count = 0, frame_count_timestamp;
bool right_active = false, down_active = false, left_active = false,
up_active = false;
SDL_Event event;
GLuint vbo, space_texture_id, mvp_id, framerate_texture_id, flat_program,
world_program, fake_texture_id;
glm::mat4 projection, view, model = glm::mat4(1.0f), mvp;
// Mushroom mushroom = Mushroom(this);
// Sprite grass = Sprite(this, "resource/Field.png");
Demo()
{
Mix_Music *music = Mix_LoadMUS("resource/Field.mp3");
Mix_PlayMusic(music, -1);
load_gl_context();
delegate.subscribe(&Demo::respond, this);
// Input* l = new Input(this);
// delete l;
// input.print_branch();
// mushroom.print_branch();
// Input* i = new Input(this);
// get_delegate().unsubscribe(i);
// delete i;
}
std::string get_class_name()
{
return "Demo";
}
void load_sdl_context()
{
Game::load_sdl_context();
// grass.load();
// mushroom.load();
}
void load_gl_context()
{
Game::load_gl_context();
// grass.unload();
// mushroom.unload();
/*
v0-v1-v2 (front)
v2-v3-v0
v0-v3-v4 (right)
v4-v5-v0
v0-v5-v6 (top)
v6-v1-v0
v1-v6-v7 (left)
v7-v2-v1
v7-v4-v3 (bottom)
v3-v2-v7
v4-v7-v6 (back)
v6-v5-v4
*/
std::array<glm::vec3, 36> cube = {
{
{1, 1, 1}, {-1, 1, 1}, {-1,-1, 1},
{-1,-1, 1}, {1,-1, 1}, {1, 1, 1},
{1, 1, 1}, {1,-1, 1}, {1,-1,-1},
{1,-1,-1}, {1, 1,-1}, {1, 1, 1},
{1, 1, 1}, {1, 1,-1}, {-1, 1,-1},
{-1, 1,-1}, {-1, 1, 1}, {1, 1, 1},
{-1, 1, 1}, {-1, 1,-1}, {-1,-1,-1},
{-1,-1,-1}, {-1,-1, 1}, {-1, 1, 1},
{-1,-1,-1}, {1,-1,-1}, {1,-1, 1},
{1,-1, 1}, {-1,-1, 1}, {-1,-1,-1},
{1,-1,-1}, {-1,-1,-1}, {-1, 1,-1},
{-1, 1,-1}, {1, 1,-1}, {1,-1,-1}
}};
std::array<glm::vec3, 6> background_vertices = {
{
{-1, 1, 0}, {1, 1, 0}, {-1, -1, 0},
{1, 1, 0}, {1, -1, 0}, {-1, -1, 0}
}};
GLfloat background_colors[40][3] = {
{.2, .6, .8}, {.2, .6, .8}, {1, 1, 0},
{.2, .6, .8}, {1, 1, 0}, {1, 1, 0}
};
GLuint background_colors_buffer;
glGenBuffers(1, &background_colors_buffer);
std::array<glm::vec3, 6> framerate_indicator_vertices = {
{
{.9, 1, 0}, {1, 1, 0}, {.9, .9, 0},
{1, 1, 0}, {1, .9, 0}, {.9, .9, 0}
}};
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
std::vector<glm::vec3> vertices;
vertices.reserve(cube.size() + background_vertices.size() + framerate_indicator_vertices.size());
vertices.insert(vertices.begin(), cube.begin(), cube.end());
vertices.insert(vertices.end(), background_vertices.begin(), background_vertices.end());
vertices.insert(vertices.end(), framerate_indicator_vertices.begin(),
framerate_indicator_vertices.end());
projection = glm::perspective(glm::radians(45.0f),
(float) sw / (float) sh, 0.1f, 100.0f);
view = glm::lookAt(
glm::vec3(4, 3, 3), glm::vec3(0, 0, 0), glm::vec3(0, 1, 0));
SDL_Surface *surface = rotateSurface90Degrees(IMG_Load("resource/tile.png"), 2);
printf("tile.png bytes per pixel %i\n", surface->format->BytesPerPixel);
space_texture_id = get_gl_texture_from_surface(surface, GL_LINEAR);
SDL_FreeSurface(surface);
std::array<glm::vec2, 6> framerate_indicator_uv = {
{
{0, 1}, {1, 1}, {0, 0},
{1, 1}, {1, 0}, {0, 0}
}};
std::array<glm::vec2, 36> cube_uv = {
{
{1, 1}, {0, 1}, {0, 0},
{0, 0}, {1, 0}, {1, 1},
{0, 1}, {0, 0}, {1, 0},
{1, 0}, {1, 1}, {0, 1},
{0, 1}, {0, 0}, {1, 0},
{1, 0}, {1, 1}, {0, 1},
{1, 1}, {0, 1}, {0, 0},
{0, 0}, {1, 0}, {1, 1},
{0, 0}, {1, 0}, {1, 1},
{1, 1}, {0, 1}, {0, 0},
{0, 0}, {1, 0}, {1, 1},
{1, 1}, {0, 1}, {0, 0}
}};
std::vector<glm::vec2> uv;
uv.reserve(cube_uv.size() + background_vertices.size() + framerate_indicator_uv.size());
std::copy(cube_uv.begin(), cube_uv.end(), uv.begin());
std::copy(framerate_indicator_uv.begin(), framerate_indicator_uv.end(),
uv.begin() + cube_uv.size() + background_vertices.size());
GLuint uvbuffer;
glGenBuffers(1, &uvbuffer);
unsigned char fake_texture_color[4] = {255, 255, 255, 255};
glCreateTextures(GL_TEXTURE_2D, 1, &fake_texture_id);
glBindTexture(GL_TEXTURE_2D, fake_texture_id);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
fake_texture_color);
GLuint vao;
glGenVertexArrays(1, &vao);
glBindVertexArray(vao);
glGenBuffers(1, &vbo);
glBindBuffer(GL_ARRAY_BUFFER, vbo);
glBufferData(GL_ARRAY_BUFFER, vertices.size() * sizeof(GLfloat) * 3, &vertices.front(),
GL_STATIC_DRAW);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, 0);
glEnableVertexAttribArray(0);
glBindBuffer(GL_ARRAY_BUFFER, uvbuffer);
glBufferData(GL_ARRAY_BUFFER, uv.capacity() * sizeof(GLfloat) * 2, &uv.front(), GL_STATIC_DRAW);
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 0, 0);
glEnableVertexAttribArray(1);
glBindBuffer(GL_ARRAY_BUFFER, background_colors_buffer);
glBufferData(GL_ARRAY_BUFFER, vertices.size() * sizeof(GLfloat) * 3, 0, GL_STATIC_DRAW);
glBufferSubData(GL_ARRAY_BUFFER,
(cube.size()) * sizeof(GLfloat) * 3,
background_vertices.size() * sizeof(GLfloat) * 3, background_colors);
glVertexAttribPointer(2, 3, GL_FLOAT, GL_FALSE, 0, 0);
glEnableVertexAttribArray(2);
GLuint vertex_shader = load_shader("shaders/triangle.vert", GL_VERTEX_SHADER);
GLuint fragment_shader = load_shader("shaders/triangle.frag", GL_FRAGMENT_SHADER);
GLuint flat_shader = load_shader("shaders/flat.vert", GL_VERTEX_SHADER);
world_program = glCreateProgram();
glAttachShader(world_program, vertex_shader);
glAttachShader(world_program, fragment_shader);
glBindAttribLocation(world_program, 0, "in_Position");
glBindAttribLocation(world_program, 1, "vertexUV");
glBindAttribLocation(world_program, 2, "in_Color");
glBindAttribLocation(world_program, 3, "pos");
link_shader(world_program);
flat_program = glCreateProgram();
glAttachShader(flat_program, flat_shader);
glAttachShader(flat_program, fragment_shader);
glBindAttribLocation(flat_program, 0, "in_Position");
glBindAttribLocation(flat_program, 1, "vertexUV");
glBindAttribLocation(flat_program, 2, "in_Color");
glBindAttribLocation(flat_program, 3, "pos");
link_shader(flat_program);
mvp_id = glGetUniformLocation(world_program, "MVP");
GLuint sampler_uniform_id = glGetUniformLocation(world_program, "myTextureSampler");
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, space_texture_id);
glUniform1i(sampler_uniform_id, 0);
glDepthFunc(GL_LESS);
frame_count_timestamp = SDL_GetTicks();
framerate_texture_id = get_gl_texture_from_surface(
get_framerate_indicator_surface(frame_count), GL_LINEAR);
}
void respond(SDL_Event& event)
{
if (delegate.compare(event, "context"))
{
if (is_gl_context)
{
load_sdl_context();
}
else
{
load_gl_context();
}
}
}
void update()
{
// while (SDL_PollEvent(&event))
// {
// if (event.type == SDL_KEYDOWN)
// {
// if (event.key.keysym.sym == SDLK_F11)
// {
// if (SDL_GetWindowFlags(window) & SDL_WINDOW_FULLSCREEN)
// {
// SDL_SetWindowFullscreen(window, 0);
// }
// else
// {
// SDL_SetWindowFullscreen(window, SDL_WINDOW_FULLSCREEN);
// }
// }
// else if (SDL_GetModState() & KMOD_CTRL)
// {
// if (event.key.keysym.sym == SDLK_f)
// {
// show_framerate = not show_framerate;
// }
// else if (event.key.keysym.sym == SDLK_UP)
// {
// set_framerate(framerate + 1);
// }
// else if (event.key.keysym.sym == SDLK_DOWN)
// {
// set_framerate(framerate - 1);
// }
// }
// else if (event.key.keysym.sym == SDLK_UP)
// {
// up_active = true;
// }
// else if (event.key.keysym.sym == SDLK_RIGHT)
// {
// right_active = true;
// }
// else if (event.key.keysym.sym == SDLK_DOWN)
// {
// down_active = true;
// }
// else if (event.key.keysym.sym == SDLK_LEFT)
// {
// left_active = true;
// }
// }
// else if (event.type == SDL_KEYUP)
// {
// if (event.key.keysym.sym == SDLK_UP)
// {
// up_active = false;
// }
// else if (event.key.keysym.sym == SDLK_RIGHT)
// {
// right_active = false;
// }
// else if (event.key.keysym.sym == SDLK_DOWN)
// {
// down_active = false;
// }
// else if (event.key.keysym.sym == SDLK_LEFT)
// {
// left_active = false;
// }
// }
// }
if (is_gl_context)
{
// glBindBuffer(GL_ARRAY_BUFFER, vbo[0]);
// glBufferData(GL_ARRAY_BUFFER, 8 * sizeof(GLfloat), diamond, GL_STATIC_DRAW);
glClearColor(.7, .7, .5, 1);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glDisable(GL_DEPTH_TEST);
glUseProgram(flat_program);
glUniform1f(glGetUniformLocation(flat_program, "r"), mvp[0][0]);
glBindTexture(GL_TEXTURE_2D, fake_texture_id);
glDisableVertexAttribArray(1);
glEnableVertexAttribArray(2);
glDrawArrays(GL_TRIANGLES, 36, 6);
if (show_framerate)
{
glBindTexture(GL_TEXTURE_2D, framerate_texture_id);
glDisableVertexAttribArray(2);
glEnableVertexAttribArray(1);
glVertexAttrib3f(2, 1, 1, 1);
glDrawArrays(GL_TRIANGLES, 42, 6);
}
// printf("%s\n", glm::to_string(model).c_str());
model = glm::rotate(model, .0005f * frame_length, glm::vec3(0.0f, 1.0f, 0.0f));
mvp = projection * view * model;
glEnable(GL_DEPTH_TEST);
glUseProgram(world_program);
glUniformMatrix4fv(mvp_id, 1, GL_FALSE, &mvp[0][0]);
glBindTexture(GL_TEXTURE_2D, space_texture_id);
glEnableVertexAttribArray(1);
glDisableVertexAttribArray(2);
glVertexAttrib3f(2, 1, 1, 1);
glDrawArrays(GL_TRIANGLES, 0, 36);
//glFlush();
SDL_GL_SwapWindow(window);
}
else
{
SDL_SetRenderDrawColor(renderer, 0x0f, 0x4f, 0x8f, 0xff);
SDL_RenderClear(renderer);
roundedBoxColor(renderer, 300, 200, 500, 300, 10, 0x8f8fdfff);
aacircleColor(renderer, 300, 200, 30, 0xffef3fff);
int speed = 2;
// if (up_active)
// {
// grass.move(0, -speed);
// }
// if (right_active)
// {
// grass.move(speed);
// }
// if (down_active)
// {
// grass.move(0, speed);
// }
// if (left_active)
// {
// grass.move(-speed, 0);
// }
// grass.update();
// mushroom.update();
SDL_RenderPresent(renderer);
}
frame_count++;
if (ticks - frame_count_timestamp >= 1000)
{
frame_count_timestamp = ticks;
if (is_gl_context and show_framerate)
{
set_framerate_indicator(frame_count, framerate_texture_id);
}
frame_count = 0;
}
}
};
Mushroom::Mushroom(Node *parent) : Sprite(parent, "resource/shrooms") {}
std::cout << "mushroom constructor " << this << std::endl;
}
void Mushroom::update()
{
@ -480,6 +134,334 @@ void Mushroom::update()
Sprite::update();
}
Demo::Demo()
{
Mix_Music *music = Mix_LoadMUS("resource/Field.mp3");
Mix_PlayMusic(music, -1);
load_gl_context();
delegate.subscribe(&Demo::respond, this);
// Input* l = new Input(this);
// delete l;
// input.print_branch();
// mushroom.print_branch();
// Input* i = new Input(this);
// get_delegate().unsubscribe(i);
// delete i;
}
void Demo::load_sdl_context()
{
Game::load_sdl_context();
grass.load();
mushroom.load();
}
void Demo::load_gl_context()
{
Game::load_gl_context();
grass.unload();
mushroom.unload();
/*
v0-v1-v2 (front)
v2-v3-v0
v0-v3-v4 (right)
v4-v5-v0
v0-v5-v6 (top)
v6-v1-v0
v1-v6-v7 (left)
v7-v2-v1
v7-v4-v3 (bottom)
v3-v2-v7
v4-v7-v6 (back)
v6-v5-v4
*/
std::array<glm::vec3, 36> cube = {
{
{1, 1, 1}, {-1, 1, 1}, {-1,-1, 1},
{-1,-1, 1}, {1,-1, 1}, {1, 1, 1},
{1, 1, 1}, {1,-1, 1}, {1,-1,-1},
{1,-1,-1}, {1, 1,-1}, {1, 1, 1},
{1, 1, 1}, {1, 1,-1}, {-1, 1,-1},
{-1, 1,-1}, {-1, 1, 1}, {1, 1, 1},
{-1, 1, 1}, {-1, 1,-1}, {-1,-1,-1},
{-1,-1,-1}, {-1,-1, 1}, {-1, 1, 1},
{-1,-1,-1}, {1,-1,-1}, {1,-1, 1},
{1,-1, 1}, {-1,-1, 1}, {-1,-1,-1},
{1,-1,-1}, {-1,-1,-1}, {-1, 1,-1},
{-1, 1,-1}, {1, 1,-1}, {1,-1,-1}
}};
std::array<glm::vec3, 6> background_vertices = {
{
{-1, 1, 0}, {1, 1, 0}, {-1, -1, 0},
{1, 1, 0}, {1, -1, 0}, {-1, -1, 0}
}};
GLfloat background_colors[40][3] = {
{.2, .6, .8}, {.2, .6, .8}, {1, 1, 0},
{.2, .6, .8}, {1, 1, 0}, {1, 1, 0}
};
GLuint background_colors_buffer;
glGenBuffers(1, &background_colors_buffer);
std::array<glm::vec3, 6> framerate_indicator_vertices = {
{
{.9, 1, 0}, {1, 1, 0}, {.9, .9, 0},
{1, 1, 0}, {1, .9, 0}, {.9, .9, 0}
}};
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
std::vector<glm::vec3> vertices;
vertices.reserve(cube.size() + background_vertices.size() + framerate_indicator_vertices.size());
vertices.insert(vertices.begin(), cube.begin(), cube.end());
vertices.insert(vertices.end(), background_vertices.begin(), background_vertices.end());
vertices.insert(vertices.end(), framerate_indicator_vertices.begin(),
framerate_indicator_vertices.end());
projection = glm::perspective(glm::radians(45.0f),
(float) sw / (float) sh, 0.1f, 100.0f);
view = glm::lookAt(
glm::vec3(4, 3, 3), glm::vec3(0, 0, 0), glm::vec3(0, 1, 0));
SDL_Surface *surface = rotateSurface90Degrees(IMG_Load("resource/tile.png"), 2);
printf("tile.png bytes per pixel %i\n", surface->format->BytesPerPixel);
space_texture_id = get_gl_texture_from_surface(surface, GL_LINEAR);
SDL_FreeSurface(surface);
std::array<glm::vec2, 6> framerate_indicator_uv = {
{
{0, 1}, {1, 1}, {0, 0},
{1, 1}, {1, 0}, {0, 0}
}};
std::array<glm::vec2, 36> cube_uv = {
{
{1, 1}, {0, 1}, {0, 0},
{0, 0}, {1, 0}, {1, 1},
{0, 1}, {0, 0}, {1, 0},
{1, 0}, {1, 1}, {0, 1},
{0, 1}, {0, 0}, {1, 0},
{1, 0}, {1, 1}, {0, 1},
{1, 1}, {0, 1}, {0, 0},
{0, 0}, {1, 0}, {1, 1},
{0, 0}, {1, 0}, {1, 1},
{1, 1}, {0, 1}, {0, 0},
{0, 0}, {1, 0}, {1, 1},
{1, 1}, {0, 1}, {0, 0}
}};
std::vector<glm::vec2> uv;
uv.reserve(cube_uv.size() + background_vertices.size() + framerate_indicator_uv.size());
std::copy(cube_uv.begin(), cube_uv.end(), uv.begin());
std::copy(framerate_indicator_uv.begin(), framerate_indicator_uv.end(),
uv.begin() + cube_uv.size() + background_vertices.size());
GLuint uvbuffer;
glGenBuffers(1, &uvbuffer);
unsigned char fake_texture_color[4] = {255, 255, 255, 255};
glCreateTextures(GL_TEXTURE_2D, 1, &fake_texture_id);
glBindTexture(GL_TEXTURE_2D, fake_texture_id);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
fake_texture_color);
GLuint vao;
glGenVertexArrays(1, &vao);
glBindVertexArray(vao);
glGenBuffers(1, &vbo);
glBindBuffer(GL_ARRAY_BUFFER, vbo);
glBufferData(GL_ARRAY_BUFFER, vertices.size() * sizeof(GLfloat) * 3, &vertices.front(),
GL_STATIC_DRAW);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, 0);
glEnableVertexAttribArray(0);
glBindBuffer(GL_ARRAY_BUFFER, uvbuffer);
glBufferData(GL_ARRAY_BUFFER, uv.capacity() * sizeof(GLfloat) * 2, &uv.front(), GL_STATIC_DRAW);
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 0, 0);
glEnableVertexAttribArray(1);
glBindBuffer(GL_ARRAY_BUFFER, background_colors_buffer);
glBufferData(GL_ARRAY_BUFFER, vertices.size() * sizeof(GLfloat) * 3, 0, GL_STATIC_DRAW);
glBufferSubData(GL_ARRAY_BUFFER,
(cube.size()) * sizeof(GLfloat) * 3,
background_vertices.size() * sizeof(GLfloat) * 3, background_colors);
glVertexAttribPointer(2, 3, GL_FLOAT, GL_FALSE, 0, 0);
glEnableVertexAttribArray(2);
GLuint vertex_shader = load_shader("shaders/triangle.vert", GL_VERTEX_SHADER);
GLuint fragment_shader = load_shader("shaders/triangle.frag", GL_FRAGMENT_SHADER);
GLuint flat_shader = load_shader("shaders/flat.vert", GL_VERTEX_SHADER);
world_program = glCreateProgram();
glAttachShader(world_program, vertex_shader);
glAttachShader(world_program, fragment_shader);
glBindAttribLocation(world_program, 0, "in_Position");
glBindAttribLocation(world_program, 1, "vertexUV");
glBindAttribLocation(world_program, 2, "in_Color");
glBindAttribLocation(world_program, 3, "pos");
link_shader(world_program);
flat_program = glCreateProgram();
glAttachShader(flat_program, flat_shader);
glAttachShader(flat_program, fragment_shader);
glBindAttribLocation(flat_program, 0, "in_Position");
glBindAttribLocation(flat_program, 1, "vertexUV");
glBindAttribLocation(flat_program, 2, "in_Color");
glBindAttribLocation(flat_program, 3, "pos");
link_shader(flat_program);
mvp_id = glGetUniformLocation(world_program, "MVP");
GLuint sampler_uniform_id = glGetUniformLocation(world_program, "myTextureSampler");
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, space_texture_id);
glUniform1i(sampler_uniform_id, 0);
glDepthFunc(GL_LESS);
frame_count_timestamp = SDL_GetTicks();
framerate_texture_id = get_gl_texture_from_surface(
get_framerate_indicator_surface(frame_count), GL_LINEAR);
}
void Demo::respond(SDL_Event& event)
{
if (delegate.compare(event, "context"))
{
if (is_gl_context)
{
load_sdl_context();
}
else
{
load_gl_context();
}
}
}
void Demo::update()
{
// while (SDL_PollEvent(&event))
// {
// if (event.type == SDL_KEYDOWN)
// {
// if (event.key.keysym.sym == SDLK_F11)
// {
// if (SDL_GetWindowFlags(window) & SDL_WINDOW_FULLSCREEN)
// {
// SDL_SetWindowFullscreen(window, 0);
// }
// else
// {
// SDL_SetWindowFullscreen(window, SDL_WINDOW_FULLSCREEN);
// }
// }
// else if (SDL_GetModState() & KMOD_CTRL)
// {
// if (event.key.keysym.sym == SDLK_f)
// {
// show_framerate = not show_framerate;
// }
// else if (event.key.keysym.sym == SDLK_UP)
// {
// set_framerate(framerate + 1);
// }
// else if (event.key.keysym.sym == SDLK_DOWN)
// {
// set_framerate(framerate - 1);
// }
// }
// else if (event.key.keysym.sym == SDLK_UP)
// {
// up_active = true;
// }
// else if (event.key.keysym.sym == SDLK_RIGHT)
// {
// right_active = true;
// }
// else if (event.key.keysym.sym == SDLK_DOWN)
// {
// down_active = true;
// }
// else if (event.key.keysym.sym == SDLK_LEFT)
// {
// left_active = true;
// }
// }
// else if (event.type == SDL_KEYUP)
// {
// if (event.key.keysym.sym == SDLK_UP)
// {
// up_active = false;
// }
// else if (event.key.keysym.sym == SDLK_RIGHT)
// {
// right_active = false;
// }
// else if (event.key.keysym.sym == SDLK_DOWN)
// {
// down_active = false;
// }
// else if (event.key.keysym.sym == SDLK_LEFT)
// {
// left_active = false;
// }
// }
// }
if (is_gl_context)
{
// glBindBuffer(GL_ARRAY_BUFFER, vbo[0]);
// glBufferData(GL_ARRAY_BUFFER, 8 * sizeof(GLfloat), diamond, GL_STATIC_DRAW);
glClearColor(.7, .7, .5, 1);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glDisable(GL_DEPTH_TEST);
glUseProgram(flat_program);
glUniform1f(glGetUniformLocation(flat_program, "r"), mvp[0][0]);
glBindTexture(GL_TEXTURE_2D, fake_texture_id);
glDisableVertexAttribArray(1);
glEnableVertexAttribArray(2);
glDrawArrays(GL_TRIANGLES, 36, 6);
if (show_framerate)
{
glBindTexture(GL_TEXTURE_2D, framerate_texture_id);
glDisableVertexAttribArray(2);
glEnableVertexAttribArray(1);
glVertexAttrib3f(2, 1, 1, 1);
glDrawArrays(GL_TRIANGLES, 42, 6);
}
// printf("%s\n", glm::to_string(model).c_str());
model = glm::rotate(model, .0005f * frame_length, glm::vec3(0.0f, 1.0f, 0.0f));
mvp = projection * view * model;
glEnable(GL_DEPTH_TEST);
glUseProgram(world_program);
glUniformMatrix4fv(mvp_id, 1, GL_FALSE, &mvp[0][0]);
glBindTexture(GL_TEXTURE_2D, space_texture_id);
glEnableVertexAttribArray(1);
glDisableVertexAttribArray(2);
glVertexAttrib3f(2, 1, 1, 1);
glDrawArrays(GL_TRIANGLES, 0, 36);
//glFlush();
SDL_GL_SwapWindow(window);
}
else
{
SDL_SetRenderDrawColor(renderer, 0x0f, 0x4f, 0x8f, 0xff);
SDL_RenderClear(renderer);
roundedBoxColor(renderer, 300, 200, 500, 300, 10, 0x8f8fdfff);
aacircleColor(renderer, 300, 200, 30, 0xffef3fff);
int speed = 2;
if (up_active)
{
grass.move(0, -speed);
}
if (right_active)
{
grass.move(speed);
}
if (down_active)
{
grass.move(0, speed);
}
if (left_active)
{
grass.move(-speed, 0);
}
grass.update();
mushroom.update();
SDL_RenderPresent(renderer);
}
frame_count++;
if (ticks - frame_count_timestamp >= 1000)
{
frame_count_timestamp = ticks;
if (is_gl_context and show_framerate)
{
set_framerate_indicator(frame_count, framerate_texture_id);
}
frame_count = 0;
}
}
int main(int argc, char *argv[])
{
Demo demo = Demo();

28
demo/Demo.hpp
View File

@ -30,8 +30,8 @@
#include "glm/gtc/matrix_transform.hpp"
#include "filesystem.hpp"
#include "Game.hpp"
#include "Node.hpp"
#include "Game.hpp"
#include "Location.hpp"
#include "Sprite.hpp"
#include "Input.hpp"
@ -42,8 +42,32 @@ struct Mushroom : Sprite
int direction = 1;
Mushroom (Node*);
Mushroom(Node*);
void update();
std::string get_class_name() { return "Mushroom"; }
};
struct Demo : Game
{
SDL_Texture *grass_texture;
int frame_count = 0, frame_count_timestamp;
bool right_active = false, down_active = false, left_active = false,
up_active = false;
SDL_Event event;
GLuint vbo, space_texture_id, mvp_id, framerate_texture_id, flat_program,
world_program, fake_texture_id;
glm::mat4 projection, view, model = glm::mat4(1.0f), mvp;
int abc, def, ghi, jkl, mno, pqr, stu, vwx, yz;
Mushroom mushroom = Mushroom(this);
Sprite grass = Sprite(this, "resource/Field.png");
Demo();
void load_sdl_context();
void load_gl_context();
void respond(SDL_Event&);
void update();
std::string get_class_name() { return "Demo"; }
};

1
src/Game.cpp
View File

@ -57,6 +57,7 @@ Game::Game()
{
print_sdl_error("Could not set up audio");
}
last_frame_timestamp = SDL_GetTicks();
}
Game::~Game()

1
src/Node.cpp
View File

@ -1,6 +1,7 @@
#include "Node.hpp"
#include "Game.hpp"
#include "Display.hpp"
#include "Delegate.hpp"
Node::Node() : Node(NULL) {}

2
src/Recorder.cpp
View File

@ -5,8 +5,6 @@
Recorder::Recorder(Node* parent) : Node(parent)
{
get_delegate().subscribe(&Recorder::respond, this);
// in_game_stashes.push_back(Stash());
animation.play();
}