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Text clipping in panel, col text on action, prompt

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main
Cameron Murphy Reikes 2 years ago
parent 10595958c9
commit b1d8669d45
2 changed files with 211 additions and 72 deletions
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271
main.c
Unescape Escape View File

@ -126,7 +126,7 @@ typedef BUFF(char, MAX_SENTENCE_LENGTH) Sentence;
// even indexed dialogs (0,2,4) are player saying stuff, odds are the character from GPT
typedef BUFF(Sentence, 8) Dialog;
typedef BUFF(Sentence, 6*2) Dialog; // six back and forths. must be even number or bad things happen (I think)
typedef struct Entity
{
@ -230,7 +230,6 @@ void add_new_npc_sentence(Entity *npc, char *sentence)
if(strcmp(match_buffer.data, "becomes aggressive") == 0)
{
npc->aggressive = true;
break;
}
BUFF_CLEAR(&match_buffer);
inside_star = false;
@ -327,7 +326,7 @@ void end_text_input(char *what_player_said)
player->talking_to->gen_request_id = req_id;
#endif
#ifdef DESKTOP
add_new_npc_sentence(player->talking_to, "response to the player. Response responseResponse responseResponse responseResponse responseResponse responseResponse responseResponse responseResponse response");
add_new_npc_sentence(player->talking_to, "response to the player. Response responseResponse *becomes aggressive* responseResponse responseResponse responseResponse responseResponse responseResponse responseResponse response");
#endif
}
}
@ -856,6 +855,15 @@ bool aabb_is_valid(AABB aabb)
return size_vec.Y <= 0.0f && size_vec.X >= 0.0f;
}
// positive in both directions
Vec2 aabb_size(AABB aabb)
{
assert(aabb_is_valid(aabb));
Vec2 size_vec = SubV2(aabb.lower_right, aabb.upper_left); // negative in vertical direction
size_vec.y *= -1.0;
return size_vec;
}
Quad quad_aabb(AABB aabb)
{
Vec2 size_vec = SubV2(aabb.lower_right, aabb.upper_left); // negative in vertical direction
@ -970,9 +978,18 @@ typedef struct DrawParams
sg_image image;
AABB image_region;
Color tint;
AABB clip_to; // if world space is in world space, if screen space is in screen space - Lao Tzu
} DrawParams;
Vec2 into_clip_space(Vec2 screen_space_point)
{
Vec2 zero_to_one = DivV2(screen_space_point, screen_size());
Vec2 in_clip_space = SubV2(MulV2F(zero_to_one, 2.0), V2(1.0, 1.0));
return in_clip_space;
}
// The image region is in pixel space of the image
void draw_quad(DrawParams d)
{
@ -982,6 +999,29 @@ void draw_quad(DrawParams d)
params.tint[2] = d.tint.B;
params.tint[3] = d.tint.A;
if(aabb_is_valid(d.clip_to) && LenV2(aabb_size(d.clip_to)) > 0.1)
{
if(d.world_space)
{
d.clip_to.upper_left = world_to_screen(d.clip_to.upper_left);
d.clip_to.lower_right = world_to_screen(d.clip_to.lower_right);
}
Vec2 aabb_clip_ul = into_clip_space(d.clip_to.upper_left);
Vec2 aabb_clip_lr = into_clip_space(d.clip_to.lower_right);
params.clip_ul[0] = aabb_clip_ul.x;
params.clip_ul[1] = aabb_clip_ul.y;
params.clip_lr[0] = aabb_clip_lr.x;
params.clip_lr[1] = aabb_clip_lr.y;
}
else
{
params.clip_ul[0] = -1.0;
params.clip_ul[1] = 1.0;
params.clip_lr[0] = 1.0;
params.clip_lr[1] = -1.0;
}
// if the rendering call is different, and the batch must be flushed
if(d.image.id != cur_batch_image.id || memcmp(&params,&cur_batch_params,sizeof(params)) != 0 )
{
@ -1000,8 +1040,7 @@ void draw_quad(DrawParams d)
}
}
AABB cam_aabb = screen_cam_aabb();
AABB points_bounding_box =
{ .upper_left = V2(INFINITY, -INFINITY), .lower_right = V2(-INFINITY, INFINITY) };
AABB points_bounding_box = { .upper_left = V2(INFINITY, -INFINITY), .lower_right = V2(-INFINITY, INFINITY) };
for(int i = 0; i < 4; i++)
{
@ -1018,13 +1057,13 @@ void draw_quad(DrawParams d)
return; // cull out of screen quads
}
float new_vertices[ (2 + 2)*4 ];
float new_vertices[ (2 + 2)*4 ] = {0};
Vec2 region_size = SubV2(d.image_region.lower_right, d.image_region.upper_left);
assert(region_size.X > 0.0);
assert(region_size.Y > 0.0);
Vec2 tex_coords[4] =
{
AddV2(d.image_region.upper_left, V2(0.0, 0.0)),
AddV2(d.image_region.upper_left, V2(0.0, 0.0)),
AddV2(d.image_region.upper_left, V2(region_size.X, 0.0)),
AddV2(d.image_region.upper_left, V2(region_size.X, region_size.Y)),
AddV2(d.image_region.upper_left, V2(0.0, region_size.Y)),
@ -1038,8 +1077,7 @@ void draw_quad(DrawParams d)
}
for(int i = 0; i < 4; i++)
{
Vec2 zero_to_one = DivV2(points[i], screen_size());
Vec2 in_clip_space = SubV2(MulV2F(zero_to_one, 2.0), V2(1.0, 1.0));
Vec2 in_clip_space = into_clip_space(points[i]);
new_vertices[i*4] = in_clip_space.X;
new_vertices[i*4 + 1] = in_clip_space.Y;
new_vertices[i*4 + 2] = tex_coords[i].X;
@ -1121,10 +1159,6 @@ void colorquad(bool world_space, Quad q, Color col)
draw_quad((DrawParams){world_space, q, image_white_square, full_region(image_white_square), col});
}
void dbgsquare(Vec2 at)
{
colorquad(true, quad_centered(at, V2(10.0, 10.0)), RED);
}
// in world coordinates
void line(Vec2 from, Vec2 to, float line_width, Color color)
@ -1141,8 +1175,23 @@ void line(Vec2 from, Vec2 to, float line_width, Color color)
colorquad(true, line_quad, color);
}
#ifdef DEVTOOLS
bool show_devtools = true;
#endif
void dbgsquare(Vec2 at)
{
if(!show_devtools) return;
#ifdef DEVTOOLS
colorquad(true, quad_centered(at, V2(10.0, 10.0)), RED);
#else
(void)at;
#endif
}
void dbgline(Vec2 from, Vec2 to)
{
if(!show_devtools) return;
#ifdef DEVTOOLS
line(from, to, 2.0f, RED);
#else
@ -1155,6 +1204,7 @@ void dbgline(Vec2 from, Vec2 to)
void dbgrect(AABB rect)
{
#ifdef DEVTOOLS
if(!show_devtools) return;
const float line_width = 0.5;
const Color col = RED;
Quad q = quad_aabb(rect);
@ -1168,10 +1218,22 @@ void dbgrect(AABB rect)
}
typedef struct TextParams
{
bool world_space;
bool dry_run;
const char *text;
Vec2 pos;
Color color;
float scale;
AABB clip_to; // if in world space, in world space. In space of pos given
Color *colors; // color per character, if not null must be array of same length as text
} TextParams;
// 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, float scale)
AABB draw_text(TextParams t)
{
size_t text_len = strlen(text);
size_t text_len = strlen(t.text);
AABB bounds = {0};
float y = 0.0;
float x = 0.0;
@ -1179,15 +1241,15 @@ AABB draw_text(bool world_space, bool dry_run, const char *text, Vec2 pos, Color
{
stbtt_aligned_quad q;
float old_y = y;
stbtt_GetBakedQuad(cdata, 512, 512, text[i]-32, &x, &y, &q, 1);
stbtt_GetBakedQuad(cdata, 512, 512, t.text[i]-32, &x, &y, &q, 1);
float difference = y - old_y;
y = old_y + difference;
Vec2 size = V2(q.x1 - q.x0, q.y1 - q.y0);
if(text[i] == '\n')
if(t.text[i] == '\n')
{
#ifdef DEVTOOLS
y += font_size*0.75f; // arbitrary, only debug text has newlines
y += font_size*0.75f; // arbitrary, only debug t.text has newlines
x = 0.0;
#else
assert(false);
@ -1196,17 +1258,17 @@ AABB draw_text(bool world_space, bool dry_run, const char *text, Vec2 pos, Color
if(size.Y > 0.0 && size.X > 0.0)
{ // spaces (and maybe other characters) produce quads of size 0
Quad to_draw = {
.points = {
AddV2(V2(q.x0, -q.y0), V2(0.0f, 0.0f)),
AddV2(V2(q.x0, -q.y0), V2(size.X, 0.0f)),
AddV2(V2(q.x0, -q.y0), V2(size.X, -size.Y)),
AddV2(V2(q.x0, -q.y0), V2(0.0f, -size.Y)),
.points = {
AddV2(V2(q.x0, -q.y0), V2(0.0f, 0.0f)),
AddV2(V2(q.x0, -q.y0), V2(size.X, 0.0f)),
AddV2(V2(q.x0, -q.y0), V2(size.X, -size.Y)),
AddV2(V2(q.x0, -q.y0), V2(0.0f, -size.Y)),
},
};
for(int i = 0; i < 4; i++)
{
to_draw.points[i] = MulV2F(to_draw.points[i], scale);
to_draw.points[i] = MulV2F(to_draw.points[i], t.scale);
}
AABB font_atlas_region = (AABB)
@ -1229,18 +1291,23 @@ 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] = AddV2(to_draw.points[i], pos);
to_draw.points[i] = AddV2(to_draw.points[i], t.pos);
}
if(!dry_run)
if(!t.dry_run)
{
draw_quad((DrawParams){world_space, to_draw, image_font, font_atlas_region, color});
Color col = t.color;
if(t.colors)
{
col = t.colors[i];
}
draw_quad((DrawParams){t.world_space, to_draw, image_font, font_atlas_region, col, t.clip_to});
}
}
}
bounds.upper_left = AddV2(bounds.upper_left, pos);
bounds.lower_right = AddV2(bounds.lower_right, pos);
bounds.upper_left = AddV2(bounds.upper_left, t.pos);
bounds.lower_right = AddV2(bounds.lower_right, t.pos);
return bounds;
}
@ -1360,7 +1427,7 @@ Vec2 move_and_slide(Entity *from, Vec2 position, Vec2 movement_this_frame)
}
// returns next vertical cursor position
float draw_wrapped_text(bool dry_run, Vec2 at_point, float max_width, char *text, float text_scale, Color color, bool going_up)
float draw_wrapped_text(bool dry_run, Vec2 at_point, float max_width, char *text, Color *colors, float text_scale, bool going_up, AABB clip_to)
{
char *sentence_to_draw = text;
size_t sentence_len = strlen(sentence_to_draw);
@ -1369,6 +1436,7 @@ float draw_wrapped_text(bool dry_run, Vec2 at_point, float max_width, char *text
while(sentence_len > 0)
{
char line_to_draw[MAX_SENTENCE_LENGTH] = {0};
Color colors_to_draw[MAX_SENTENCE_LENGTH] = {0};
size_t chars_from_sentence = 0;
AABB line_bounds = {0};
while(chars_from_sentence <= sentence_len)
@ -1376,7 +1444,7 @@ float draw_wrapped_text(bool dry_run, Vec2 at_point, float max_width, char *text
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);
line_bounds = draw_text((TextParams){true, true, line_to_draw, cursor, BLACK, text_scale, clip_to});
if(line_bounds.lower_right.X > at_point.X + max_width)
{
// too big
@ -1390,18 +1458,106 @@ float draw_wrapped_text(bool dry_run, Vec2 at_point, float max_width, char *text
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);
memcpy(colors_to_draw, colors, chars_from_sentence*sizeof(Color));
float line_height = line_bounds.upper_left.Y - line_bounds.lower_right.Y;
AABB drawn_bounds = draw_text(true, dry_run, line_to_draw, AddV2(cursor, V2(0.0f, -line_height)), color, text_scale);
AABB drawn_bounds = draw_text((TextParams){true, dry_run, line_to_draw, AddV2(cursor, V2(0.0f, -line_height)), BLACK, text_scale, clip_to, colors_to_draw});
if(!dry_run) dbgrect(drawn_bounds);
sentence_len -= chars_from_sentence;
sentence_to_draw += chars_from_sentence;
colors += chars_from_sentence;
cursor = V2(drawn_bounds.upper_left.X, drawn_bounds.lower_right.Y);
}
return cursor.Y;
}
void draw_dialog_panel(Entity *talking_to)
{
// talking to them feedback
draw_quad((DrawParams){true, quad_centered(talking_to->pos, V2(TILE_SIZE, TILE_SIZE)), image_dialog_circle, full_region(image_dialog_circle), WHITE});
float panel_width = 250.0f;
float panel_height = 150.0f;
float panel_vert_offset = 30.0f;
AABB dialog_panel = (AABB){
.upper_left = AddV2(talking_to->pos, V2(-panel_width/2.0f, panel_vert_offset+panel_height)),
.lower_right = AddV2(talking_to->pos, V2(panel_width/2.0f, panel_vert_offset)),
};
AABB constrict_to = world_cam_aabb();
dialog_panel.upper_left.x = fmaxf(constrict_to.upper_left.x, dialog_panel.upper_left.x);
dialog_panel.lower_right.y = fmaxf(constrict_to.lower_right.y, dialog_panel.lower_right.y);
dialog_panel.upper_left.y = fminf(constrict_to.upper_left.y, dialog_panel.upper_left.y);
dialog_panel.lower_right.x = fminf(constrict_to.lower_right.x, dialog_panel.lower_right.x);
if(aabb_is_valid(dialog_panel))
{
Quad dialog_quad = quad_aabb(dialog_panel);
colorquad(true, dialog_quad, (Color){1.0f, 1.0f, 1.0f, 0.4f});
float width = 2.0f;
line(AddV2(dialog_quad.ul, V2(-width,0.0)), AddV2(dialog_quad.ur, V2(width,0.0)), width, BLACK);
line(dialog_quad.ur, dialog_quad.lr, width, BLACK);
line(AddV2(dialog_quad.lr, V2(width,0.0)), AddV2(dialog_quad.ll, V2(-width,0.0)), width, BLACK);
line(dialog_quad.ll, dialog_quad.ul, width, BLACK);
float padding = 5.0f;
dialog_panel.upper_left = AddV2(dialog_panel.upper_left, V2(padding, -padding));
dialog_panel.lower_right = AddV2(dialog_panel.lower_right, V2(-padding, padding));
float new_line_height = dialog_panel.lower_right.Y;
int i = 0;
//BUFF_ITER(Sentence, &talking_to->player_dialog)
BUFF_ITER_EX(Sentence, &talking_to->player_dialog, talking_to->player_dialog.cur_index-1, it >= &talking_to->player_dialog.data[0], it--)
{
bool player_talking = i % 2 != 0;
Color *colors = calloc(sizeof(*colors), it->cur_index);
bool in_astrix = false;
for(int char_i = 0; char_i < it->cur_index; char_i++)
{
bool set_in_astrix_false = false;
if(it->data[char_i] == '*')
{
if(in_astrix)
{
set_in_astrix_false = true;
}
else
{
in_astrix = true;
}
}
if(player_talking)
{
colors[char_i] = BLACK;
}
else
{
if(in_astrix)
{
colors[char_i] = colhex(0xffdf24);
}
else
{
colors[char_i] = colhex(0x345e22);
}
}
if(set_in_astrix_false) in_astrix = false;
}
float measured_line_height = draw_wrapped_text(true, V2(dialog_panel.upper_left.X, new_line_height), dialog_panel.lower_right.X - dialog_panel.upper_left.X, it->data, colors, 0.5f, true, dialog_panel);
new_line_height += (new_line_height - measured_line_height);
draw_wrapped_text(false, V2(dialog_panel.upper_left.X, new_line_height), dialog_panel.lower_right.X - dialog_panel.upper_left.X, it->data, colors, 0.5f, true, dialog_panel);
free(colors);
i++;
}
dbgrect(dialog_panel);
}
}
#define ROLL_KEY SAPP_KEYCODE_K
double elapsed_time = 0.0;
double last_frame_processing_time = 0.0;
@ -1511,7 +1667,7 @@ 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, 1.0f);
draw_text((TextParams){false, false, tprint("%d", get_tile(&level_level0, hovering).kind), world_to_screen(tilecoord_to_world(hovering)), BLACK, 1.0f});
}
// debug draw font image
@ -1525,12 +1681,12 @@ void frame(void)
int num_entities = 0;
ENTITIES_ITER(entities) num_entities++;
char *stats = tprint("Frametime: %.1f ms\nProcessing: %.1f ms\nEntities: %d\nDraw calls: %d\n", dt*1000.0, last_frame_processing_time*1000.0, num_entities, num_draw_calls);
AABB bounds = draw_text(false, true, stats, pos, BLACK, 1.0f);
AABB bounds = draw_text((TextParams){false, true, stats, pos, BLACK, 1.0f});
pos.Y -= bounds.upper_left.Y - screen_size().Y;
bounds = draw_text(false, true, stats, pos, BLACK, 1.0f);
bounds = draw_text((TextParams){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, 1.0f);
draw_text((TextParams){false, false, stats, pos, BLACK, 1.0f});
num_draw_calls = 0;
}
#endif // devtools
@ -1582,6 +1738,7 @@ void frame(void)
{
if(it->aggressive)
{
draw_dialog_panel(it);
Entity *targeting = player;
it->shotgun_timer += dt;
Vec2 to_player = NormV2(SubV2(targeting->pos, it->pos));
@ -1680,43 +1837,11 @@ void frame(void)
}
// if somebody, show their dialog panel
if(talking_to) {
// talking to them feedback
draw_quad((DrawParams){true, quad_centered(talking_to->pos, V2(TILE_SIZE, TILE_SIZE)), image_dialog_circle, full_region(image_dialog_circle), WHITE});
float panel_width = 250.0f;
float panel_height = 150.0f;
float panel_vert_offset = 30.0f;
AABB dialog_panel = (AABB){
.upper_left = AddV2(talking_to->pos, V2(-panel_width/2.0f, panel_vert_offset+panel_height)),
.lower_right = AddV2(talking_to->pos, V2(panel_width/2.0f, panel_vert_offset)),
};
AABB constrict_to = world_cam_aabb();
dialog_panel.upper_left.x = fmaxf(constrict_to.upper_left.x, dialog_panel.upper_left.x);
dialog_panel.lower_right.y = fmaxf(constrict_to.lower_right.y, dialog_panel.lower_right.y);
dialog_panel.upper_left.y = fminf(constrict_to.upper_left.y, dialog_panel.upper_left.y);
dialog_panel.lower_right.x = fminf(constrict_to.lower_right.x, dialog_panel.lower_right.x);
if(aabb_is_valid(dialog_panel))
{
colorquad(true, quad_aabb(dialog_panel), (Color){1.0f, 1.0f, 1.0f, 0.2f});
float new_line_height = dialog_panel.lower_right.Y;
int i = 0;
//BUFF_ITER(Sentence, &talking_to->player_dialog)
BUFF_ITER_EX(Sentence, &talking_to->player_dialog, talking_to->player_dialog.cur_index-1, it >= &talking_to->player_dialog.data[0], it--)
{
float measured_line_height= draw_wrapped_text(true, V2(dialog_panel.upper_left.X, new_line_height), dialog_panel.lower_right.X - dialog_panel.upper_left.X, it->data, 0.5f, i % 2 == 0 ? colhex(0x345e22) : BLACK, true);
new_line_height += (new_line_height - measured_line_height);
draw_wrapped_text(false, V2(dialog_panel.upper_left.X, new_line_height), dialog_panel.lower_right.X - dialog_panel.upper_left.X, it->data, 0.5f, i % 2 == 0 ? colhex(0x345e22) : BLACK, true);
i++;
}
dbgrect(dialog_panel);
}
if(talking_to)
{
draw_dialog_panel(talking_to);
}
// process dialog and display dialog box when talking to NPC
if(player->state == CHARACTER_TALKING)
{
@ -1933,6 +2058,10 @@ void event(const sapp_event *e)
{
mouse_frozen = !mouse_frozen;
}
if(e->key_code == SAPP_KEYCODE_7)
{
show_devtools = !show_devtools;
}
#endif
}
if(e->type == SAPP_EVENTTYPE_KEY_UP)

10
quad.glsl
Unescape Escape View File

@ -4,10 +4,12 @@
in vec2 position;
in vec2 texcoord0;
out vec2 uv;
out vec2 pos;
void main() {
gl_Position = vec4(position, 0.0, 1.0);
uv = texcoord0;
pos = position;
}
@end
@ -15,14 +17,22 @@ void main() {
uniform sampler2D tex;
uniform fs_params {
vec4 tint;
// both in clip space
vec2 clip_ul;
vec2 clip_lr;
};
in vec2 uv;
in vec2 pos;
out vec4 frag_color;
void main() {
// clip space is from [-1,1] [left, right]of screen on X, and [-1,1] [bottom, top] of screen on Y
if(pos.x < clip_ul.x || pos.x > clip_lr.x || pos.y < clip_lr.y || pos.y > clip_ul.y) discard;
frag_color = texture(tex, uv) * tint;
//frag_color = vec4(pos.x,0.0,0.0,1.0);
}
@end

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