116 lines
3.3 KiB
C
116 lines
3.3 KiB
C
/* ************************************************************************** */
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/* */
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/* :::::::: */
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/* mlx_loop.c :+: :+: */
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/* +:+ */
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/* By: W2Wizard <w2.wizzard@gmail.com> +#+ */
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/* +#+ */
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/* Created: 2021/12/28 01:24:36 by W2Wizard #+# #+# */
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/* Updated: 2022/06/27 18:07:04 by lde-la-h ######## odam.nl */
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/* */
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/* ************************************************************************** */
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#include "MLX42/MLX42_Int.h"
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//= Private =//
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static void mlx_exec_loop_hooks(mlx_t* mlx)
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{
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const mlx_ctx_t* mlxctx = mlx->context;
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mlx_list_t* lstcpy = mlxctx->hooks;
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while (lstcpy && !glfwWindowShouldClose(mlx->window))
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{
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mlx_hook_t* hook = ((mlx_hook_t*)lstcpy->content);
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hook->func(hook->param);
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lstcpy = lstcpy->next;
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}
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}
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static void mlx_render_images(mlx_t* mlx)
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{
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mlx_ctx_t* mlxctx = mlx->context;
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mlx_list_t* imglst = mlxctx->images;
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if (sort_queue)
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{
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sort_queue = false;
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mlx_sort_renderqueue(&mlxctx->render_queue);
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}
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// Upload image textures to GPU
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while (imglst)
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{
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mlx_image_t* image;
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if (!(image = imglst->content))
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return ((void)mlx_error(MLX_INVIMG));
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glBindTexture(GL_TEXTURE_2D, ((mlx_image_ctx_t*)image->context)->texture);
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, image->width, image->height, 0, GL_RGBA, GL_UNSIGNED_BYTE, image->pixels);
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imglst = imglst->next;
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}
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// Execute draw calls
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mlx_list_t* render_queue = mlxctx->render_queue;
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while (render_queue)
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{
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draw_queue_t* drawcall = render_queue->content;
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mlx_instance_t* instance = &drawcall->image->instances[drawcall->instanceid];
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if (drawcall && drawcall->image->enabled && instance->enabled)
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mlx_draw_instance(mlx->context, drawcall->image, instance);
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render_queue = render_queue->next;
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}
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}
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//= Public =//
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bool mlx_loop_hook(mlx_t* mlx, void (*f)(void*), void* param)
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{
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MLX_ASSERT(mlx, "Parameter can't be null");
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MLX_ASSERT(f, "Parameter can't be null");
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mlx_hook_t* hook;
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if (!(hook = malloc(sizeof(mlx_hook_t))))
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return (mlx_error(MLX_MEMFAIL));
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mlx_list_t* lst;
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if (!(lst = mlx_lstnew(hook)))
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{
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free(hook);
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return (mlx_error(MLX_MEMFAIL));
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}
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hook->func = f;
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hook->param = param;
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const mlx_ctx_t *mlxctx = mlx->context;
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mlx_lstadd_back((mlx_list_t**)(&mlxctx->hooks), lst);
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return (true);
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}
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// glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
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void mlx_loop(mlx_t* mlx)
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{
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MLX_ASSERT(mlx, "Parameter can't be null");
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double start, oldstart = 0;
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while (!glfwWindowShouldClose(mlx->window))
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{
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start = glfwGetTime();
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mlx->delta_time = start - oldstart;
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oldstart = start;
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glClearColor(0.2f, 0.2f, 0.2f, 1.0f);
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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glfwGetWindowSize(mlx->window, &(mlx->width), &(mlx->height));
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if ((mlx->width > 1 || mlx->height > 1))
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mlx_update_matrix(mlx, mlx->width, mlx->height);
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mlx_exec_loop_hooks(mlx);
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mlx_render_images(mlx);
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mlx_flush_batch(mlx->context);
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glfwSwapBuffers(mlx->window);
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glfwPollEvents();
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}
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}
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