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😭 wrapped text

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Cameron Murphy Reikes 2 years ago
parent 4c66098cbc
commit 48c0eb8461
2 changed files with 107 additions and 9 deletions
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3
build_desktop_debug.bat
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@ -3,7 +3,8 @@
@REM https://learn.microsoft.com/en-us/cpp/build/reference/compiler-options-listed-by-category?view=msvc-170
call run_codegen.bat || goto :error
cl /DDEVTOOLS /Igen /Ithirdparty /W3 /Zi /WX main.c || goto :error
@REM cl /DDEVTOOLS /Igen /Ithirdparty /W3 /Zi /WX main.c || goto :error
cl /Igen /Ithirdparty /W3 /Zi /WX main.c || goto :error
goto :EOF
:error

113
main.c
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@ -92,6 +92,13 @@ typedef enum EntityKind
ENTITY_BULLET,
} EntityKind;
#define MAX_SENTENCE_LENGTH 400
typedef struct { char text[MAX_SENTENCE_LENGTH]; } Sentence;
typedef struct Dialog
{
Sentence sentences[8];
} Dialog;
typedef struct Entity
{
@ -544,6 +551,7 @@ typedef Vec4 Color;
#define WHITE (Color){1.0f, 1.0f, 1.0f, 1.0f}
#define BLACK (Color){0.0f, 0.0f, 0.0f, 1.0f}
#define RED (Color){1.0f, 0.0f, 0.0f, 1.0f}
#define GREEN (Color){0.0f, 1.0f, 0.0f, 1.0f}
Vec2 screen_size()
@ -833,11 +841,10 @@ Vec2 tile_id_to_coord(sg_image tileset_image, Vec2 tile_size, uint16_t tile_id)
}
// returns bounds. To measure text you can set dry run to true and get the bounds
AABB draw_text(bool world_space, bool dry_run, const char *text, Vec2 pos, Color color)
AABB draw_text(bool world_space, bool dry_run, const char *text, Vec2 pos, Color color, float scale)
{
size_t text_len = strlen(text);
AABB bounds =
{0};
AABB bounds = {0};
float y = 0.0;
float x = 0.0;
for(int i = 0; i < text_len; i++)
@ -869,6 +876,11 @@ AABB draw_text(bool world_space, bool dry_run, const char *text, Vec2 pos, Color
},
};
for(int i = 0; i < 4; i++)
{
to_draw.points[i] = MulV2F(to_draw.points[i], scale);
}
AABB font_atlas_region = (AABB)
{
.upper_left = V2(q.s0, q.t0),
@ -1040,7 +1052,8 @@ Vec2 move_and_slide(Entity *from, Vec2 position, Vec2 movement_this_frame)
{
AABB to_depenetrate_from = to_check[i];
dbgrect(to_depenetrate_from);
while(overlapping(to_depenetrate_from, at_new))
int iters_tried_to_push_apart = 0;
while(overlapping(to_depenetrate_from, at_new) && iters_tried_to_push_apart < 500)
{
//dbgsquare(to_depenetrate_from.upper_left);
//dbgsquare(to_depenetrate_from.lower_right);
@ -1069,12 +1082,56 @@ Vec2 move_and_slide(Entity *from, Vec2 position, Vec2 movement_this_frame)
Vec2 move = MulV2F(move_dir, move_dist);
at_new.upper_left = AddV2(at_new.upper_left,move);
at_new.lower_right = AddV2(at_new.lower_right,move);
iters_tried_to_push_apart++;
}
}
return aabb_center(at_new);
}
// returns next vertical cursor position
float draw_wrapped_text(Vec2 at_point, float max_width, char *text, float text_scale, Color color)
{
char *sentence_to_draw = text;
size_t sentence_len = strlen(sentence_to_draw);
Vec2 cursor = at_point;
while(sentence_len > 0)
{
char line_to_draw[MAX_SENTENCE_LENGTH] = {0};
size_t chars_from_sentence = 0;
AABB line_bounds = {0};
while(chars_from_sentence <= sentence_len)
{
memset(line_to_draw, 0, MAX_SENTENCE_LENGTH);
memcpy(line_to_draw, sentence_to_draw, chars_from_sentence);
line_bounds = draw_text(true, true, line_to_draw, cursor, color, text_scale);
if(line_bounds.lower_right.X > at_point.X + max_width)
{
// too big
assert(chars_from_sentence > 0);
chars_from_sentence -= 1;
break;
}
chars_from_sentence += 1;
}
if(chars_from_sentence > sentence_len) chars_from_sentence--;
memset(line_to_draw, 0, MAX_SENTENCE_LENGTH);
memcpy(line_to_draw, sentence_to_draw, chars_from_sentence);
float line_height = line_bounds.upper_left.Y - line_bounds.lower_right.Y;
AABB drawn_bounds = draw_text(true, false, line_to_draw, AddV2(cursor, V2(0.0f, -line_height)), color, text_scale);
dbgrect(drawn_bounds);
sentence_len -= chars_from_sentence;
sentence_to_draw += chars_from_sentence;
cursor = V2(drawn_bounds.upper_left.X, drawn_bounds.lower_right.Y);
}
return cursor.Y;
}
double time = 0.0;
double last_frame_processing_time = 0.0;
uint64_t last_frame_time;
@ -1166,7 +1223,7 @@ void frame(void)
Vec2 points[4] ={0};
AABB q = tile_aabb(hovering);
dbgrect(q);
draw_text(false, false, tprint("%d", get_tile(&level_level0, hovering).kind), world_to_screen(tilecoord_to_world(hovering)), BLACK);
draw_text(false, false, tprint("%d", get_tile(&level_level0, hovering).kind), world_to_screen(tilecoord_to_world(hovering)), BLACK, 1.0f);
}
// debug draw font image
@ -1180,12 +1237,12 @@ void frame(void)
int num_entities = 0;
ENTITIES_ITER(entities) num_entities++;
char *stats = tprint("Frametime: %.1f ms\nProcessing: %.1f ms\nEntities: %d\n", dt*1000.0, last_frame_processing_time*1000.0, num_entities);
AABB bounds = draw_text(false, true, stats, pos, BLACK);
AABB bounds = draw_text(false, true, stats, pos, BLACK, 1.0f);
pos.Y -= bounds.upper_left.Y - screen_size().Y;
bounds = draw_text(false, true, stats, pos, BLACK);
bounds = draw_text(false, true, stats, pos, BLACK, 1.0f);
// background panel
colorquad(false, quad_aabb(bounds), (Color){1.0, 1.0, 1.0, 0.3f});
draw_text(false, false, stats, pos, BLACK);
draw_text(false, false, stats, pos, BLACK, 1.0f);
}
#endif // devtools
@ -1371,6 +1428,46 @@ void frame(void)
}
}
// do dialog
AABB dialog_rect = centered_aabb(player->pos, V2(TILE_SIZE*2.0f, TILE_SIZE*2.0f));
dbgrect(dialog_rect);
Overlapping possible_dialogs = get_overlapping(cur_level, dialog_rect);
Entity *closest_talkto = NULL;
float closest_talkto_dist = INFINITY;
for(int i = 0; i < possible_dialogs.num_results; i++)
{
Overlap *it = &possible_dialogs.results[i];
if(!it->is_tile && it->e->kind == ENTITY_OLD_MAN && !it->e->aggressive)
{
float dist = LenV2(SubV2(it->e->pos, player->pos));
if(dist < closest_talkto_dist)
{
closest_talkto_dist = dist;
closest_talkto = it->e;
}
}
}
if(closest_talkto != NULL)
{
Dialog dialog = {
.sentences[0].text = "I'm an old man. fjdslfdasljfla dsfjdsalkf adskjfdlskfkladsjfkljdskljsadlkfjdsaklfjldsajf",
.sentences[1].text = "I'm the player. I have lots of things to say. Bla bla bla. All I do is say things. How cringe and terrible",
};
float panel_width = 250.0f;
float panel_height = 100.0f;
float panel_vert_offset = 30.0f;
AABB dialog_panel = (AABB){
.upper_left = AddV2(closest_talkto->pos, V2(-panel_width/2.0f, panel_vert_offset+panel_height)),
.lower_right = AddV2(closest_talkto->pos, V2(panel_width/2.0f, panel_vert_offset)),
};
colorquad(true, quad_aabb(dialog_panel), (Color){1.0f, 1.0f, 1.0f, 0.2f});
float new_line_height = draw_wrapped_text(dialog_panel.upper_left, dialog_panel.lower_right.X - dialog_panel.upper_left.X, dialog.sentences[0].text, 0.5f, WHITE);
new_line_height = draw_wrapped_text(V2(dialog_panel.upper_left.X, new_line_height), dialog_panel.lower_right.X - dialog_panel.upper_left.X, dialog.sentences[1].text, 0.5f, GREEN);
dbgrect(dialog_panel);
}
sg_end_pass();
sg_commit();

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