16 | 16 |
static ana::viewport viewport;
|
17 | 17 |
|
18 | 18 |
void error_callback(int error, const char* description) {
|
19 | |
std::cerr << "[E] glfw error: " << description << std::endl;
|
|
19 |
std::cerr << "[E] glfw error: " << description << std::endl;
|
20 | 20 |
}
|
21 | 21 |
|
22 | 22 |
void scroll_callback(GLFWwindow *w, double xoff, double yoff) {
|
23 | |
ImGuiIO &io = ImGui::GetIO();
|
24 | |
if (!io.WantCaptureMouse && yoff != 0) {
|
25 | |
viewport.view_step(yoff);
|
26 | |
}
|
|
23 |
ImGuiIO &io = ImGui::GetIO();
|
|
24 |
if (!io.WantCaptureMouse && yoff != 0) {
|
|
25 |
viewport.view_step(yoff);
|
|
26 |
}
|
27 | 27 |
}
|
28 | 28 |
|
29 | 29 |
void mouse_button_callback(GLFWwindow *w, int button, int action, int mods) {
|
30 | |
ImGuiIO &io = ImGui::GetIO();
|
31 | |
if (button == GLFW_MOUSE_BUTTON_LEFT && action == GLFW_PRESS && !io.WantCaptureMouse) {
|
32 | |
std::cout << "start" << std::endl;
|
33 | |
}
|
|
30 |
ImGuiIO &io = ImGui::GetIO();
|
|
31 |
if (button == GLFW_MOUSE_BUTTON_LEFT && action == GLFW_PRESS && !io.WantCaptureMouse) {
|
|
32 |
std::cout << "start" << std::endl;
|
|
33 |
}
|
34 | 34 |
}
|
35 | 35 |
|
36 | 36 |
void framebuffer_size_callback(GLFWwindow* w, int width, int height) {
|
37 | |
glViewport(0, 0, width, height);
|
38 | |
viewport.set_aspect(width, height);
|
39 | |
glfwSwapBuffers(w);
|
|
37 |
printf("size callback %d %d\n", width, height);
|
|
38 |
glViewport(0, 0, width, height);
|
|
39 |
viewport.set_aspect(width, height);
|
|
40 |
glfwSwapBuffers(w);
|
40 | 41 |
}
|
41 | 42 |
|
42 | 43 |
int main(void) {
|
43 | |
if (!glfwInit()) {
|
44 | |
std::cerr << "[E] init glfw" << std::endl;
|
45 | |
return EXIT_FAILURE;
|
46 | |
}
|
47 | |
glfwSetErrorCallback(error_callback);
|
|
44 |
if (!glfwInit()) {
|
|
45 |
std::cerr << "[E] init glfw" << std::endl;
|
|
46 |
return EXIT_FAILURE;
|
|
47 |
}
|
|
48 |
glfwSetErrorCallback(error_callback);
|
48 | 49 |
|
49 | |
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
|
50 | |
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 1);
|
51 | |
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
|
52 | |
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
|
|
50 |
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
|
|
51 |
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 1);
|
|
52 |
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
|
|
53 |
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
|
53 | 54 |
|
54 | |
GLFWwindow *window = glfwCreateWindow(800, 800, "ana", NULL, NULL);
|
55 | |
if (!window) {
|
56 | |
std::cerr << "[E] failed to create window" << std::endl;
|
57 | |
return EXIT_FAILURE;
|
58 | |
}
|
|
55 |
GLFWwindow *window = glfwCreateWindow(
|
|
56 |
viewport.width, viewport.height, "ana", NULL, NULL);
|
|
57 |
if (!window) {
|
|
58 |
std::cerr << "[E] failed to create window" << std::endl;
|
|
59 |
return EXIT_FAILURE;
|
|
60 |
}
|
59 | 61 |
|
60 | |
glfwMakeContextCurrent(window);
|
61 | |
GLenum glew_status = glewInit();
|
62 | |
if (glew_status != GLEW_OK) {
|
63 | |
std::cerr << "[E] glewInit: " << glewGetErrorString(glew_status) << std::endl;
|
64 | |
return EXIT_FAILURE;
|
65 | |
}
|
|
62 |
glfwMakeContextCurrent(window);
|
|
63 |
GLenum glew_status = glewInit();
|
|
64 |
if (glew_status != GLEW_OK) {
|
|
65 |
std::cerr << "[E] glewInit: " << glewGetErrorString(glew_status) << std::endl;
|
|
66 |
return EXIT_FAILURE;
|
|
67 |
}
|
66 | 68 |
|
67 | |
glfwSetMouseButtonCallback(window, mouse_button_callback);
|
68 | |
glfwSetScrollCallback(window, scroll_callback);
|
69 | |
glfwSetFramebufferSizeCallback(window, framebuffer_size_callback);
|
|
69 |
glfwSetMouseButtonCallback(window, mouse_button_callback);
|
|
70 |
glfwSetScrollCallback(window, scroll_callback);
|
|
71 |
glfwSetFramebufferSizeCallback(window, framebuffer_size_callback);
|
70 | 72 |
|
71 | |
if (!ana::shaders::init())
|
72 | |
return EXIT_FAILURE;
|
|
73 |
if (!ana::shaders::init())
|
|
74 |
return EXIT_FAILURE;
|
73 | 75 |
|
74 | |
glEnable(GL_BLEND);
|
75 | |
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
|
76 |
glEnable(GL_BLEND);
|
|
77 |
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
76 | 78 |
|
77 | |
ana::nodeset nodes;
|
78 | |
nodes.nodes.push_back(ana::node{glm::vec2(0, 0), glm::vec2(0.1, 0.2), "hello"});
|
79 | |
nodes.nodes.push_back(ana::node{glm::vec2(-0.5, -0.5), glm::vec2(0.2, 0.2), "hello"});
|
|
79 |
ana::nodeset nodes;
|
|
80 |
nodes.nodes.push_back(ana::node("track one"));
|
|
81 |
nodes.nodes.push_back(ana::node("track two"));
|
|
82 |
nodes.nodes.push_back(ana::node("track three"));
|
|
83 |
nodes.nodes.push_back(ana::node("track four"));
|
|
84 |
nodes.nodes.push_back(ana::node("track five"));
|
|
85 |
nodes.nodes.push_back(ana::node("track six"));
|
|
86 |
nodes.nodes.push_back(ana::node("track seven"));
|
|
87 |
nodes.nodes.push_back(ana::node("track eight"));
|
|
88 |
nodes.nodes.push_back(ana::node("track nine"));
|
|
89 |
nodes.nodes.push_back(ana::node("track ten"));
|
80 | 90 |
|
81 | |
ImGui::CreateContext();
|
82 | |
ana::ui::init_imgui();
|
|
91 |
ImGui::CreateContext();
|
|
92 |
ana::ui::init_imgui();
|
83 | 93 |
|
84 | |
ImGui_ImplGlfw_InitForOpenGL(window, true);
|
85 | |
ImGui_ImplOpenGL3_Init("#version 410");
|
|
94 |
ImGui_ImplGlfw_InitForOpenGL(window, true);
|
|
95 |
ImGui_ImplOpenGL3_Init("#version 410");
|
86 | 96 |
|
87 | |
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
|
|
97 |
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
|
88 | 98 |
|
89 | |
while (!glfwWindowShouldClose(window)) {
|
90 | |
glfwPollEvents();
|
|
99 |
while (!glfwWindowShouldClose(window)) {
|
|
100 |
glfwPollEvents();
|
91 | 101 |
|
92 | |
ImGui_ImplOpenGL3_NewFrame();
|
93 | |
ImGui_ImplGlfw_NewFrame();
|
94 | |
ImGui::NewFrame();
|
|
102 |
ImGui_ImplOpenGL3_NewFrame();
|
|
103 |
ImGui_ImplGlfw_NewFrame();
|
|
104 |
ImGui::NewFrame();
|
95 | 105 |
|
96 | |
ImGui::ShowDemoWindow();
|
|
106 |
ImGui::SetNextWindowPos(ImVec2(0, 0));
|
|
107 |
ImGui::SetNextWindowSize(ImVec2(viewport.width, viewport.height));
|
|
108 |
ImGui::Begin(
|
|
109 |
"main",
|
|
110 |
nullptr,
|
|
111 |
ImGuiWindowFlags_NoMove |
|
|
112 |
ImGuiWindowFlags_NoResize |
|
|
113 |
ImGuiWindowFlags_NoDecoration);
|
97 | 114 |
|
98 | |
/*
|
99 | |
SDL_Event ev;
|
100 | |
while (SDL_PollEvent(&ev)) {
|
101 | |
ImGui_ImplSDL2_ProcessEvent(&ev);
|
102 | |
switch (ev.type) {
|
103 | |
case SDL_WINDOWEVENT:
|
104 | |
if (ev.window.event == SDL_WINDOWEVENT_SIZE_CHANGED) {
|
105 | |
glViewport(0, 0, ev.window.data1, ev.window.data2);
|
106 | |
viewport.set_aspect(ev.window.data1, ev.window.data2);
|
|
115 |
for (const ana::node &n : nodes.nodes) {
|
|
116 |
ImGui::Text(n.name.c_str());
|
107 | 117 |
}
|
108 | |
break;
|
109 | 118 |
|
110 | |
case SDL_MOUSEMOTION:
|
111 | |
if (!io.WantCaptureMouse && ev.motion.state & SDL_BUTTON_MMASK) {
|
112 | |
viewport.translate(-ev.motion.xrel, ev.motion.yrel);
|
113 | |
}
|
114 | |
break;
|
115 | |
}
|
|
119 |
ImGui::End();
|
|
120 |
|
|
121 |
ImGui::Render();
|
|
122 |
|
|
123 |
glClear(GL_COLOR_BUFFER_BIT);
|
|
124 |
ana::shaders::draw(viewport, nodes);
|
|
125 |
ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
|
|
126 |
glfwMakeContextCurrent(window);
|
|
127 |
glfwSwapBuffers(window);
|
116 | 128 |
}
|
117 | |
*/
|
118 | |
ImGui::Render();
|
119 | 129 |
|
120 | |
glClear(GL_COLOR_BUFFER_BIT);
|
121 | |
ana::shaders::draw(viewport, nodes);
|
122 | |
ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
|
123 | |
glfwMakeContextCurrent(window);
|
124 | |
glfwSwapBuffers(window);
|
125 | |
}
|
126 | |
|
127 | |
ana::shaders::destroy();
|
128 | |
ImGui_ImplOpenGL3_Shutdown();
|
129 | |
ImGui_ImplGlfw_Shutdown();
|
130 | |
glfwTerminate();
|
131 | |
return EXIT_SUCCESS;
|
|
130 |
ana::shaders::destroy();
|
|
131 |
ImGui_ImplOpenGL3_Shutdown();
|
|
132 |
ImGui_ImplGlfw_Shutdown();
|
|
133 |
glfwTerminate();
|
|
134 |
return EXIT_SUCCESS;
|
132 | 135 |
}
|