Added time to draw function and started to layout game ui. Add window resizing next and in-shader anchoring next.

client/include/draw.h

@@ -5,7 +5,8 @@
 #include "ui.h"
 
 VkResult draw_frame(
-    RenderContext* context);
+    RenderContext* context,
+    double time);
 
 VkResult record_draw_commands(
     RenderContext* context,

client/include/ui.h

@@ -127,7 +127,7 @@ typedef struct UIlayerStorageStruct {
 } UILayerStorage;
 
 typedef struct UIContainerStruct {
-  vec2 pos;
+  vec2 offset;
   vec2 size;
 } UIContainer;
 
@@ -220,7 +220,8 @@ typedef struct UILayerInputStruct {
 
 typedef struct UIContainerInputStruct {
   uint32_t id;
-  vec2 pos;
+  uint32_t anchor;
+  vec2 offset;
   vec2 size;
 
   uint32_t layer_count;

client/shader_src/ui.frag

@@ -25,7 +25,7 @@ layout(location = 0) out vec4 outColor;
 
 void main() {
     vec2 pos = (gl_FragCoord.xy - vec2(0.5, 0.5))/pc.context.scale;
-    vec2 min = pc.layer.container.pos;
+    vec2 min = pc.layer.container.offset;
     vec2 max = min + pc.layer.container.size;
     if(pos.x < min.x || pos.y < min.y
     || pos.x > max.x || pos.y > max.y) {

client/shader_src/ui.vert

@@ -38,7 +38,7 @@ void main() {
     fragUV = pos;
   }
 
-  gl_Position = vec4((pos * drawable.size + drawable.pos + pc.layer.container.pos) * pc.context.screen * 2, 0.0, 1.0) - vec4(1.0, 1.0, 0.0, 0.0);
+  gl_Position = vec4((pos * drawable.size + drawable.pos + pc.layer.container.offset) * pc.context.screen * 2, 0.0, 1.0) - vec4(1.0, 1.0, 0.0, 0.0);
   
   fragColor = drawable.color;
   code = drawable.code;

client/shader_src/ui_common.glsl

@@ -69,7 +69,7 @@ layout(std430, buffer_reference) readonly buffer DrawableList {
 };
 
 layout(std430, buffer_reference) readonly buffer Container {
-  vec2 pos;
+  vec2 offset;
   vec2 size;
 };
 

client/src/draw.c

@@ -141,7 +141,8 @@ VkResult record_draw_commands(
 }
 
 VkResult draw_frame(
-    RenderContext* context) {
+    RenderContext* context,
+    double time) {
   VkResult result;
 
   result = vkWaitForFences(context->device, 1, &context->in_flight_fences[context->current_frame], VK_TRUE, UINT64_MAX);

client/src/gpu.c

@@ -7,7 +7,7 @@
 
 const uint32_t MAX_FRAMES_IN_FLIGHT = 2;
 const uint32_t WINDOW_WIDTH = 800;
-const uint32_t WINDOW_HEIGHT = 500;
+const uint32_t WINDOW_HEIGHT = 600;
 
 const char * validation_layers[] = {
   "VK_LAYER_KHRONOS_validation",

client/src/main.c

@@ -32,50 +32,103 @@ VkResult render_thread(GLFWwindow* window, RenderContext* render) {
   }
 
   VK_RESULT(load_font("test.ttf", 16, VK_TRUE, library, render, &ui, &font_index));
-  VK_RESULT(load_texture("background.png", render, &ui, &background_index));
 
-  UIDrawable rects[] = {
+  vec2 map_size = {250, 200};
+
+  UIDrawable map_rects[] = {
     {
       .pos = {0.0, 0.0},
-      .size = {WINDOW_WIDTH, WINDOW_HEIGHT},
+      .size = {map_size[0], map_size[1]},
-      .color = {1.0, 1.0, 1.0, 1.0},
+      .color = {0.0, 0.5, 0.8, 1.0},
-      .type = 2,
+      .type = 0,
-      .code = background_index,
+    },
+  };
+
+  UILayerInput map_layers[] = {
+    {
+      .num_drawables = sizeof(map_rects)/sizeof(UIDrawable),
+      .drawables = map_rects,
     },
+  };
+
+  UIContainerInput map_info = {
+    .id = 0x01,
+    .offset = {WINDOW_WIDTH-map_size[0], 0.0},
+    .size = {map_size[0], map_size[1]},
+    .layer_count = sizeof(map_layers)/sizeof(UILayerInput),
+    .layers = map_layers,
+  };
+
+  vec2 inventory_size = {map_size[0], WINDOW_HEIGHT-map_size[1]};
+
+  UIDrawable inventory_rects[] = {
+    {
+      .pos = {0, 0},
+      .size = {inventory_size[0], inventory_size[1]},
+      .color = {0.5, 0.8, 0.0, 1.0},
+      .type = 0,
+    },
+  };
+
+  UILayerInput inventory_layers[] = {
+    {
+      .num_drawables = sizeof(inventory_rects)/sizeof(UIDrawable),
+      .drawables = inventory_rects,
+    },
+  };
+
+  UIContainerInput inventory_info = {
+    .id = 0x02,
+    .offset = {WINDOW_WIDTH-inventory_size[0], WINDOW_HEIGHT-inventory_size[1]},
+    .size = {inventory_size[0], inventory_size[1]},
+    .layer_count = sizeof(inventory_layers)/sizeof(UILayerInput),
+    .layers = inventory_layers,
+  };
+
+  vec2 chat_size = {WINDOW_WIDTH-inventory_size[0], 200};
+
+  UIDrawable chat_rects[] = {
     {
-      .pos = {150.0, 100.0},
+      .pos = {0, 0},
-      .size = {500.0, 300.0},
+      .size = {chat_size[0], chat_size[1]},
-      .color = {1.0, 1.0, 1.0, 1.0},
+      .color = {0.8, 0.0, 0.5, 1.0},
+      .type = 0,
     },
   };
 
-  UILayerInput layers[] = {
+  UILayerInput chat_layers[] = {
     {
-      .num_drawables = sizeof(rects)/sizeof(UIDrawable),
+      .num_drawables = sizeof(chat_rects)/sizeof(UIDrawable),
-      .drawables = rects,
+      .drawables = chat_rects,
     },
   };
 
-  UIContainerInput container_info = {
+  UIContainerInput chat_info = {
-    .id = 0xDEADBEEF,
+    .id = 0x02,
-    .pos = {0.0, 0.0},
+    .offset = {0, WINDOW_HEIGHT-chat_size[1]},
-    .size = {WINDOW_WIDTH, WINDOW_HEIGHT},
+    .size = {chat_size[0], chat_size[1]},
-    .layer_count = sizeof(layers)/sizeof(UILayerInput),
+    .layer_count = sizeof(chat_layers)/sizeof(UILayerInput),
-    .layers = layers,
+    .layers = chat_layers,
   };
 
-  VK_RESULT(create_container(&container_info, render, &ui));
+  VK_RESULT(create_container(&map_info, render, &ui));
+  VK_RESULT(create_container(&inventory_info, render, &ui));
+  VK_RESULT(create_container(&chat_info, render, &ui));
 
   VK_RESULT(record_draw_commands(render, &ui));
 
+  double last_frame_time = glfwGetTime();
   while(glfwWindowShouldClose(window) == 0) {
     glfwPollEvents();
 
-    result = draw_frame(render);
+    double frame_time = glfwGetTime();
+    double delta_time = frame_time - last_frame_time;
+    result = draw_frame(render, frame_time);
     if(result != VK_SUCCESS) {
       fprintf(stderr, "draw_frame error: %s\n", string_VkResult(result));
       return result;
     }
+    last_frame_time = frame_time;
   }
   return 0;
 }
@@ -88,12 +141,47 @@ int network_thread() {
   return 0;
 }
 
+void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods) {
+}
+
+void mouse_button_callback(GLFWwindow* window, int button, int action, int mods) {
+  switch(button) {
+  // Handle camera hover
+  case GLFW_MOUSE_BUTTON_MIDDLE:
+    if(action == GLFW_PRESS) {
+      glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_DISABLED);
+    } else {
+      glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_NORMAL);
+    }
+    break;
+  case GLFW_MOUSE_BUTTON_LEFT:
+    if(action == GLFW_PRESS) {
+    }
+    break;
+  case GLFW_MOUSE_BUTTON_RIGHT:
+    if(action == GLFW_PRESS) {
+    }
+    break;
+  }
+}
+
+void scroll_callback(GLFWwindow* window, double xoffset, double yoffset) {
+}
+
+void cursor_pos_callback(GLFWwindow* window, double xpos, double ypos) {
+}
+
 int main() {
   GLFWwindow* window = init_window();
   if(window == NULL) {
     return 1;
   }
 
+  glfwSetKeyCallback(window, key_callback);
+  glfwSetMouseButtonCallback(window, mouse_button_callback);
+  glfwSetScrollCallback(window, scroll_callback);
+  glfwSetCursorPosCallback(window, cursor_pos_callback);
+
   RenderContext render = {};
   if(init_vulkan(window, &render) != VK_SUCCESS) {
     return 2;

client/src/ui.c

@@ -298,8 +298,8 @@ VkResult create_container(
   void* mapped;
   VK_RESULT(create_transfer_buffer(gpu->allocator, sizeof(UIContainer), &transfer, &transfer_memory, &mapped));
 
-  context->containers[index].data.pos[0] = container->pos[0];
+  context->containers[index].data.offset[0] = container->offset[0];
-  context->containers[index].data.pos[1] = container->pos[1];
+  context->containers[index].data.offset[1] = container->offset[1];
   context->containers[index].data.size[0] = container->size[0];
   context->containers[index].data.size[1] = container->size[1];
   memcpy(mapped, &context->containers[index].data, sizeof(UIContainer));