breakhack/src/gui_util.c

133 lines
3.6 KiB
C

/*
* BreakHack - A dungeone crawler RPG
* Copyright (C) 2018 Linus Probert <linus.probert@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "texturecache.h"
#include "gui_util.h"
static Sprite *
render_frame_on_texture(Uint32 width,
Uint32 height,
Position offset,
Camera *cam)
{
Sprite *frame = sprite_create();
Texture *texture = texture_create();
texture->dim = (Dimension) {
width * 16,
height * 16
};
frame->textures[0] = texture;
frame->destroyTextures = true;
frame->pos = (Position) { 0, 0 };
frame->dim = (Dimension) { width*16, height*16 };
frame->fixed = true;
texture_create_blank(texture,
SDL_TEXTUREACCESS_TARGET,
cam->renderer);
SDL_SetRenderTarget(cam->renderer, texture->texture);
SDL_RenderClear(cam->renderer);
SDL_Rect frame_top_left = CLIP16(offset.x, offset.y);
SDL_Rect frame_top_right = CLIP16(offset.x + 32, offset.y);
SDL_Rect frame_bottom_left = CLIP16(offset.x, offset.y + 32);
SDL_Rect frame_bottom_right = CLIP16(offset.x + 32, offset.y + 32);
SDL_Rect frame_top = CLIP16(offset.x + 16, offset.y);
SDL_Rect frame_bottom = CLIP16(offset.x + 16, offset.y + 32);
SDL_Rect frame_center = CLIP16(offset.x + 16, offset.y + 16);
SDL_Rect frame_left = CLIP16(offset.x, offset.y + 16);
SDL_Rect frame_right = CLIP16(offset.x + 32, offset.y + 16);
Texture *source = texturecache_get("GUI/GUI0.png");
SDL_Rect box = { 0, 0, 16, 16 };
unsigned int i, j;
for (i = 0; i < width; ++i) {
for (j = 0; j < height; ++j) {
box.x = i * 16;
box.y = j * 16;
if (i == 0 && j == 0) {
texture_render_clip(source,
&box,
&frame_top_left,
cam);
} else if (i == (width - 1) && j == 0) {
texture_render_clip(source,
&box,
&frame_top_right,
cam);
} else if (i == 0 && j == (height - 1)) {
texture_render_clip(source,
&box,
&frame_bottom_left,
cam);
} else if (i == (width - 1) && j == (height - 1)) {
texture_render_clip(source,
&box,
&frame_bottom_right,
cam);
} else if (i == 0) {
texture_render_clip(source,
&box,
&frame_left,
cam);
} else if (i == (width - 1)) {
texture_render_clip(source,
&box,
&frame_right,
cam);
} else if (j == 0) {
texture_render_clip(source,
&box,
&frame_top,
cam);
} else if (j == (height - 1)) {
texture_render_clip(source,
&box,
&frame_bottom,
cam);
} else {
texture_render_clip(source,
&box,
&frame_center,
cam);
}
}
}
SDL_SetRenderTarget(cam->renderer, NULL);
return frame;
}
Sprite *
gui_util_create_frame_sprite(Uint32 width,
Uint32 height,
Camera *cam)
{
return render_frame_on_texture(width, height, POS(16, 16*10), cam);
}
Sprite *
gui_util_create_tooltip_frame_sprite(Uint32 width,
Uint32 height,
Camera *cam)
{
return render_frame_on_texture(width, height, POS(16*13, 16*13), cam);
}