Continued WIP: Googly Eyes
Needs sound effect, an icon, and boundary-limiting to keep the pupil inside the background.
This commit is contained in:
Bill Kendrick
parent
b4f63f17ff
commit
9674a05e63
151 changed files with 1864 additions and 130 deletions
304
magic/src/googlyeyes.c
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304
magic/src/googlyeyes.c
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/* googlyeyes.c
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Draws a googly eye at the click position, and looks
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towards where you drag+release.
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Last modified: 2022.12.24
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*/
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#include <stdio.h>
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#include <string.h>
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#include <libintl.h>
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#include <math.h>
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#include "tp_magic_api.h"
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#include "SDL_image.h"
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#include "SDL_mixer.h"
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#define NUM_SIZES 2
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int sizes[NUM_SIZES] = { 100, 50 };
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char * size_names[NUM_SIZES] = {
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"large googly eye",
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"small googly eye"
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};
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Mix_Chunk *snd_effect = NULL;
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SDL_Surface * googlyeyes_img_bkgd[NUM_SIZES];
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SDL_Surface * googlyeyes_img_pupil[NUM_SIZES];
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SDL_Surface * googlyeyes_img_reflection[NUM_SIZES];
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int eye_x, eye_y;
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Uint32 googlyeyes_api_version(void);
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int googlyeyes_init(magic_api * api);
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int googlyeyes_get_tool_count(magic_api * api);
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SDL_Surface *googlyeyes_get_icon(magic_api * api, int which);
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char *googlyeyes_get_name(magic_api * api, int which);
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int googlyeyes_get_group(magic_api * api, int which);
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char *googlyeyes_get_description(magic_api * api, int which, int mode);
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int googlyeyes_requires_colors(magic_api * api, int which);
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int googlyeyes_modes(magic_api * api, int which);
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void googlyeyes_shutdown(magic_api * api);
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void googlyeyes_click(magic_api * api, int which, int mode,
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SDL_Surface * canvas, SDL_Surface * snapshot, int x,
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int y, SDL_Rect * update_rect);
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void googlyeyes_set_color(magic_api * api, Uint8 r, Uint8 g, Uint8 b);
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void googlyeyes_drag(magic_api * api, int which, SDL_Surface * canvas,
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SDL_Surface * snapshot, int ox, int oy, int x, int y,
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SDL_Rect * update_rect);
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void googlyeyes_line_callback_drag(void *ptr, int which, SDL_Surface * canvas,
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SDL_Surface * snapshot, int x, int y);
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void googlyeyes_draw_bolt(void *ptr, SDL_Surface * canvas,
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SDL_Surface * snapshot, float sx, float sy,
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float angle, float len, int thickness);
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void googlyeyes_release(magic_api * api, int which, SDL_Surface * canvas,
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SDL_Surface * snapshot, int x, int y,
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SDL_Rect * update_rect);
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void googlyeyes_switchin(magic_api * api, int which, int mode,
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SDL_Surface * canvas);
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void googlyeyes_switchout(magic_api * api, int which, int mode,
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SDL_Surface * canvas);
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Uint32 googlyeyes_api_version(void)
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{
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return (TP_MAGIC_API_VERSION);
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}
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int googlyeyes_init(magic_api * api)
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{
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char fname[1024];
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int i;
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// FIXME
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// snprintf(fname, sizeof(fname), "%ssounds/magic/googlyeyes.ogg",
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// api->data_directory);
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// snd_effect = Mix_LoadWAV(fname);
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for (i = 0; i < NUM_SIZES; i++) {
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googlyeyes_img_bkgd[i] = NULL;
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googlyeyes_img_pupil[i] = NULL;
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googlyeyes_img_reflection[i] = NULL;
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}
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/* Load the base images (100% scale) */
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snprintf(fname, sizeof(fname), "%simages/magic/googly-eyes-bkgd.png",
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api->data_directory);
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googlyeyes_img_bkgd[0] = IMG_Load(fname);
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if (googlyeyes_img_bkgd[0] == NULL)
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{
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fprintf(stderr, "Can't open %s\n", fname);
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return 0;
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}
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snprintf(fname, sizeof(fname), "%simages/magic/googly-eyes-pupil.png",
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api->data_directory);
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googlyeyes_img_pupil[0] = IMG_Load(fname);
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if (googlyeyes_img_pupil[0] == NULL)
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{
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fprintf(stderr, "Can't open %s\n", fname);
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return 0;
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}
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snprintf(fname, sizeof(fname), "%simages/magic/googly-eyes-reflection.png",
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api->data_directory);
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googlyeyes_img_reflection[0] = IMG_Load(fname);
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if (googlyeyes_img_reflection[0] == NULL)
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{
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fprintf(stderr, "Can't open %s\n", fname);
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return 0;
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}
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/* Create the scaled versions */
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for (i = 1; i < NUM_SIZES; i++) {
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googlyeyes_img_bkgd[i] = api->scale(googlyeyes_img_bkgd[0],
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(googlyeyes_img_bkgd[0]->w * sizes[i]) / 100,
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(googlyeyes_img_bkgd[0]->h * sizes[i]) / 100,
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1);
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if (googlyeyes_img_bkgd[i] == NULL) {
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fprintf(stderr, "Cannot scale bkgd to %d%%", sizes[i]);
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return(1);
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}
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googlyeyes_img_pupil[i] = api->scale(googlyeyes_img_pupil[0],
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(googlyeyes_img_pupil[0]->w * sizes[i]) / 100,
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(googlyeyes_img_pupil[0]->h * sizes[i]) / 100,
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1);
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if (googlyeyes_img_pupil[i] == NULL) {
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fprintf(stderr, "Cannot scale pupil to %d%%", sizes[i]);
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return(1);
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}
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googlyeyes_img_reflection[i] = api->scale(googlyeyes_img_reflection[0],
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(googlyeyes_img_reflection[0]->w * sizes[i]) / 100,
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(googlyeyes_img_reflection[0]->h * sizes[i]) / 100,
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1);
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if (googlyeyes_img_reflection[i] == NULL) {
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fprintf(stderr, "Cannot scale reflection to %d%%", sizes[i]);
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return(1);
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}
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}
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return (1);
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}
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int googlyeyes_get_tool_count(magic_api * api ATTRIBUTE_UNUSED)
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{
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return (NUM_SIZES);
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}
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SDL_Surface *googlyeyes_get_icon(magic_api * api, int which ATTRIBUTE_UNUSED)
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{
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char fname[1024];
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// FIXME
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snprintf(fname, sizeof(fname), "%simages/magic/googly-eyes-pupil.png",
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api->data_directory);
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return (IMG_Load(fname));
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}
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char *googlyeyes_get_name(magic_api * api ATTRIBUTE_UNUSED,
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int which ATTRIBUTE_UNUSED)
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{
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return strdup(gettext("Google Eyes"));
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}
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int googlyeyes_get_group(magic_api * api ATTRIBUTE_UNUSED,
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int which ATTRIBUTE_UNUSED)
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{
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return MAGIC_TYPE_ARTISTIC;
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}
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char *googlyeyes_get_description(magic_api * api ATTRIBUTE_UNUSED,
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int which ATTRIBUTE_UNUSED,
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int mode ATTRIBUTE_UNUSED)
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{
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char tmp[512];
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sprintf(tmp, gettext("Click to place a %s, then drag and release to make it look that direction."), size_names[which]);
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return strdup(tmp);
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}
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int googlyeyes_requires_colors(magic_api * api ATTRIBUTE_UNUSED,
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int which ATTRIBUTE_UNUSED)
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{
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return 0;
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}
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int googlyeyes_modes(magic_api * api ATTRIBUTE_UNUSED,
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int which ATTRIBUTE_UNUSED)
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{
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return MODE_PAINT;
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}
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void googlyeyes_shutdown(magic_api * api ATTRIBUTE_UNUSED)
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{
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int i;
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if (snd_effect != NULL)
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Mix_FreeChunk(snd_effect);
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for (i = 0; i < NUM_SIZES; i++) {
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if (googlyeyes_img_bkgd[i] != NULL)
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SDL_FreeSurface(googlyeyes_img_bkgd[i]);
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if (googlyeyes_img_pupil[i] != NULL)
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SDL_FreeSurface(googlyeyes_img_pupil[i]);
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if (googlyeyes_img_reflection[i] != NULL)
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SDL_FreeSurface(googlyeyes_img_reflection[i]);
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}
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}
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void
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googlyeyes_click(magic_api * api, int which, int mode ATTRIBUTE_UNUSED,
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SDL_Surface * canvas, SDL_Surface * snapshot, int x, int y,
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SDL_Rect * update_rect)
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{
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eye_x = x;
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eye_y = y;
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googlyeyes_drag(api, which, canvas, snapshot, x, y, x, y, update_rect);
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}
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void
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googlyeyes_drag(magic_api * api ATTRIBUTE_UNUSED, int which, SDL_Surface * canvas,
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SDL_Surface * snapshot, int ox ATTRIBUTE_UNUSED,
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int oy ATTRIBUTE_UNUSED, int x, int y, SDL_Rect * update_rect)
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{
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SDL_Rect dest;
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/* Set the destination for the main background */
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update_rect->x = eye_x - googlyeyes_img_bkgd[which]->w / 2;
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update_rect->y = eye_y - googlyeyes_img_bkgd[which]->h / 2;
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update_rect->w = googlyeyes_img_bkgd[which]->w;
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update_rect->h = googlyeyes_img_bkgd[which]->h;
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/* Erase the eye (drop snapshot pixels back into canvas) */
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SDL_BlitSurface(snapshot, update_rect, canvas, update_rect);
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/* 1. Draw the background */
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SDL_BlitSurface(googlyeyes_img_bkgd[which], NULL, canvas, update_rect);
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/* 2. Draw the pupil */
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if (sqrt(((x - eye_x) * (x - eye_x)) + ((y - eye_y) * (y - eye_y))) >
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((googlyeyes_img_bkgd[which]->w - googlyeyes_img_pupil[which]->w) / 2)
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) {
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x = eye_x;
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y = eye_y;
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}
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dest.x = x - googlyeyes_img_pupil[which]->w / 2;
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dest.y = y - googlyeyes_img_pupil[which]->h / 2;
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dest.w = googlyeyes_img_pupil[which]->w;
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dest.h = googlyeyes_img_pupil[which]->h;
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SDL_BlitSurface(googlyeyes_img_pupil[which], NULL, canvas, &dest);
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/* 3. Draw the reflection */
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dest.x = eye_x - googlyeyes_img_reflection[which]->w / 2;
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dest.y = eye_y - googlyeyes_img_reflection[which]->h / 2;
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dest.w = googlyeyes_img_reflection[which]->w;
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dest.h = googlyeyes_img_reflection[which]->h;
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SDL_BlitSurface(googlyeyes_img_reflection[which], NULL, canvas, &dest);
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}
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void
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googlyeyes_release(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED,
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SDL_Surface * canvas ATTRIBUTE_UNUSED, SDL_Surface * snapshot ATTRIBUTE_UNUSED,
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int x ATTRIBUTE_UNUSED, int y ATTRIBUTE_UNUSED,
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SDL_Rect * update_rect ATTRIBUTE_UNUSED)
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{
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}
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void googlyeyes_set_color(magic_api * api ATTRIBUTE_UNUSED,
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Uint8 r ATTRIBUTE_UNUSED, Uint8 g ATTRIBUTE_UNUSED, Uint8 b ATTRIBUTE_UNUSED)
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{
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}
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void googlyeyes_line_callback_drag(void *ptr ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED,
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SDL_Surface * canvas ATTRIBUTE_UNUSED,
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SDL_Surface * snapshot ATTRIBUTE_UNUSED,
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int x ATTRIBUTE_UNUSED, int y ATTRIBUTE_UNUSED)
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{
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}
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void googlyeyes_switchin(magic_api * api ATTRIBUTE_UNUSED,
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int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED,
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SDL_Surface * canvas ATTRIBUTE_UNUSED)
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{
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}
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void googlyeyes_switchout(magic_api * api ATTRIBUTE_UNUSED,
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int which ATTRIBUTE_UNUSED,
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int mode ATTRIBUTE_UNUSED,
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SDL_Surface * canvas ATTRIBUTE_UNUSED)
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{
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}
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