diff options
Diffstat (limited to 'src/engine/client/ec_ui.c')
| -rw-r--r-- | src/engine/client/ec_ui.c | 277 |
1 files changed, 277 insertions, 0 deletions
diff --git a/src/engine/client/ec_ui.c b/src/engine/client/ec_ui.c new file mode 100644 index 00000000..5ba9c0d9 --- /dev/null +++ b/src/engine/client/ec_ui.c @@ -0,0 +1,277 @@ +/* copyright (c) 2007 magnus auvinen, see licence.txt for more info */ +#include <engine/e_system.h> +#include <engine/e_interface.h> +#include <engine/e_config.h> +#include "ec_ui.h" + +/******************************************************** + UI +*********************************************************/ + +struct pretty_font +{ + float m_CharStartTable[256]; + float m_CharEndTable[256]; + int font_texture; +}; + +extern struct pretty_font *current_font; + +static const void *hot_item = 0; +static const void *active_item = 0; +static const void *last_active_item = 0; +static const void *becomming_hot_item = 0; +static float mouse_x, mouse_y; /* in gui space */ +static float mouse_wx, mouse_wy; /* in world space */ +static unsigned mouse_buttons = 0; + +float ui_mouse_x() { return mouse_x; } +float ui_mouse_y() { return mouse_y; } +float ui_mouse_world_x() { return mouse_wx; } +float ui_mouse_world_y() { return mouse_wy; } +int ui_mouse_button(int index) { return (mouse_buttons>>index)&1; } + +void ui_set_hot_item(const void *id) { becomming_hot_item = id; } +void ui_set_active_item(const void *id) { active_item = id; if (id) last_active_item = id; } +void ui_clear_last_active_item() { last_active_item = 0; } +const void *ui_hot_item() { return hot_item; } +const void *ui_active_item() { return active_item; } +const void *ui_last_active_item() { return last_active_item; } + +int ui_update(float mx, float my, float mwx, float mwy, int buttons) +{ + mouse_x = mx; + mouse_y = my; + mouse_wx = mwx; + mouse_wy = mwy; + mouse_buttons = buttons; + hot_item = becomming_hot_item; + if(active_item) + hot_item = active_item; + becomming_hot_item = 0; + return 0; +} + +int ui_mouse_inside(float x, float y, float w, float h) +{ + if(mouse_x >= x && mouse_x <= x+w && mouse_y >= y && mouse_y <= y+h) + return 1; + return 0; +} + +void ui_do_image(int texture, float x, float y, float w, float h) +{ + gfx_blend_normal(); + gfx_texture_set(texture); + gfx_quads_begin(); + gfx_setcolor(1,1,1,1); + gfx_quads_setsubset( + 0.0f, /* startx */ + 0.0f, /* starty */ + 1.0f, /* endx */ + 1.0f); /* endy */ + gfx_quads_drawTL(x,y,w,h); + gfx_quads_end(); +} + +void ui_do_label(float x, float y, const char *text, float size) +{ + gfx_blend_normal(); + gfx_texture_set(current_font->font_texture); + gfx_pretty_text(x, y, size, text, -1); +} + +int ui_do_button(const void *id, const char *text, int checked, float x, float y, float w, float h, draw_button_callback draw_func, void *extra) +{ + /* logic */ + int r = 0; + int inside = ui_mouse_inside(x,y,w,h); + + if(ui_active_item() == id) + { + if(!ui_mouse_button(0)) + { + if(inside) + r = 1; + ui_set_active_item(0); + } + } + else if(ui_hot_item() == id) + { + if(ui_mouse_button(0)) + ui_set_active_item(id); + } + + if(inside) + ui_set_hot_item(id); + + draw_func(id, text, checked, x, y, w, h, extra); + return r; +} + +static float scale = 1.0f; +#define MEMORY_SIZE 10*1024 +static struct rect memory[MEMORY_SIZE]; +static int memory_used = 0; +static struct rect screen = { 0.0f, 0.0f, 848.0f, 480.0f }; + +void ui_foreach_rect(rect_fun fun) +{ + int hrm; + for (hrm = 0; hrm < memory_used; hrm++) + fun(&memory[hrm]); +} + +static void add_rect(struct rect *r) +{ + if (memory_used < MEMORY_SIZE) + memory[memory_used++] = *r; + else + dbg_msg("ui", "rect memory full."); +} + +struct rect *ui_screen() +{ + if (config.debug) + { + memory_used = 0; + } + + return &screen; +} + +void ui_scale(float s) +{ + scale = s; +} + +void ui_hsplit_t(const struct rect *original, int pixels, struct rect *top, struct rect *bottom) +{ + struct rect r = *original; + pixels *= scale; + + if (top) + { + top->x = r.x; + top->y = r.y; + top->w = r.w; + top->h = pixels; + } + + if (bottom) + { + bottom->x = r.x; + bottom->y = r.y + pixels; + bottom->w = r.w; + bottom->h = r.h - pixels; + } + + if (config.debug) + { + if (top) + add_rect(top); + if (bottom) + add_rect(bottom); + } +} + +void ui_hsplit_b(const struct rect *original, int pixels, struct rect *top, struct rect *bottom) +{ + struct rect r = *original; + pixels *= scale; + + if (top) + { + top->x = r.x; + top->y = r.y; + top->w = r.w; + top->h = r.h - pixels; + } + + if (bottom) + { + bottom->x = r.x; + bottom->y = r.y + r.h - pixels; + bottom->w = r.w; + bottom->h = pixels; + } + + if (config.debug) + { + if (top) + add_rect(top); + if (bottom) + add_rect(bottom); + } +} + +void ui_vsplit_l(const struct rect *original, int pixels, struct rect *left, struct rect *right) +{ + struct rect r = *original; + pixels *= scale; + + if (left) + { + left->x = r.x; + left->y = r.y; + left->w = pixels; + left->h = r.h; + } + + if (right) + { + right->x = r.x + pixels; + right->y = r.y; + right->w = r.w - pixels; + right->h = r.h; + } + + if (config.debug) + { + if (left) + add_rect(left); + if (right) + add_rect(right); + } +} + +void ui_vsplit_r(const struct rect *original, int pixels, struct rect *left, struct rect *right) +{ + struct rect r = *original; + pixels *= scale; + + if (left) + { + left->x = r.x; + left->y = r.y; + left->w = r.w - pixels; + left->h = r.h; + } + + if (right) + { + right->x = r.x + r.w - pixels; + right->y = r.y; + right->w = pixels; + right->h = r.h; + } + + if (config.debug) + { + if (left) + add_rect(left); + if (right) + add_rect(right); + } +} + +void ui_margin(const struct rect *original, int pixels, struct rect *other_rect) +{ + struct rect r = *original; + pixels *= scale; + + other_rect->x = r.x + pixels; + other_rect->y = r.y + pixels; + other_rect->w = r.w - 2*pixels; + other_rect->h = r.h - 2*pixels; +} |