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Change indentation and newline frequency

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main
Cameron Murphy Reikes 2 years ago
parent f66989cef9
commit 8cdd972ff4
1 changed files with 759 additions and 620 deletions
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main.c
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@ -16,27 +16,32 @@
#include <math.h>
typedef struct AABB {
typedef struct AABB
{
HMM_Vec2 upper_left;
HMM_Vec2 lower_right;
} AABB;
typedef struct TileInstance {
typedef struct TileInstance
{
uint16_t kind;
} TileInstance;
typedef struct AnimatedTile {
typedef struct AnimatedTile
{
uint16_t id_from;
int num_frames;
uint16_t frames[32];
} AnimatedTile;
typedef struct TileSet {
typedef struct TileSet
{
sg_image *img;
AnimatedTile animated[128];
} TileSet;
typedef struct AnimatedSprite {
typedef struct AnimatedSprite
{
sg_image *img;
double time_per_frame;
int num_frames;
@ -48,21 +53,25 @@ typedef struct AnimatedSprite {
#define LEVEL_TILES 60
#define TILE_SIZE 32 // in pixels
typedef struct Level {
typedef struct Level
{
TileInstance tiles[LEVEL_TILES][LEVEL_TILES];
HMM_Vec2 spawnpoint;
} Level;
typedef struct TileCoord {
typedef struct TileCoord
{
int x;
int y;
} TileCoord;
HMM_Vec2 tilecoord_to_world(TileCoord t) {
HMM_Vec2 tilecoord_to_world(TileCoord t)
{
return HMM_V2( (float)t.x * (float)TILE_SIZE * 1.0f, -(float)t.y * (float)TILE_SIZE * 1.0f );
}
TileCoord world_to_tilecoord(HMM_Vec2 w) {
TileCoord world_to_tilecoord(HMM_Vec2 w)
{
// world = V2(tilecoord.x * tile_size, -tilecoord.y * tile_size)
// world.x = tilecoord.x * tile_size
// world.x / tile_size = tilecoord.x
@ -71,25 +80,30 @@ TileCoord world_to_tilecoord(HMM_Vec2 w) {
return (TileCoord){ (int)floorf(w.X / TILE_SIZE), (int)floorf(-w.Y / TILE_SIZE) };
}
AABB tile_aabb(TileCoord t) {
return (AABB) {
AABB tile_aabb(TileCoord t)
{
return (AABB)
{
.upper_left = tilecoord_to_world(t),
.lower_right = HMM_AddV2(tilecoord_to_world(t), HMM_V2(TILE_SIZE, -TILE_SIZE)),
};
}
HMM_Vec2 aabb_center(AABB aabb) {
HMM_Vec2 aabb_center(AABB aabb)
{
return HMM_MulV2F(HMM_AddV2(aabb.upper_left, aabb.lower_right), 0.5f);
}
AABB centered_aabb(HMM_Vec2 at, HMM_Vec2 size) {
AABB centered_aabb(HMM_Vec2 at, HMM_Vec2 size)
{
return (AABB){
.upper_left = HMM_AddV2(at, HMM_V2(-size.X/2.0f, size.Y/2.0f)),
.lower_right = HMM_AddV2(at, HMM_V2( size.X/2.0f, -size.Y/2.0f)),
};
}
uint16_t get_tile(Level *l, TileCoord t) {
uint16_t get_tile(Level *l, TileCoord t)
{
bool out_of_bounds = false;
out_of_bounds |= t.x < 0;
out_of_bounds |= t.x >= LEVEL_TILES;
@ -99,8 +113,10 @@ uint16_t get_tile(Level *l, TileCoord t) {
return l->tiles[t.x][t.y].kind;
}
sg_image load_image(const char *path) {
sg_image to_return = {0};
sg_image load_image(const char *path)
{
sg_image to_return =
{0};
int png_width, png_height, num_channels;
const int desired_channels = 4;
@ -109,13 +125,15 @@ sg_image load_image(const char *path) {
&png_width, &png_height,
&num_channels, 0);
assert(pixels);
to_return = sg_make_image(&(sg_image_desc) {
to_return = sg_make_image(&(sg_image_desc)
{
.width = png_width,
.height = png_height,
.pixel_format = SG_PIXELFORMAT_RGBA8,
.min_filter = SG_FILTER_NEAREST,
.mag_filter = SG_FILTER_NEAREST,
.data.subimage[0][0] = {
.data.subimage[0][0] =
{
.ptr = pixels,
.size = (size_t)(png_width * png_height * 4),
}
@ -127,40 +145,51 @@ sg_image load_image(const char *path) {
#include "quad-sapp.glsl.h"
#include "assets.gen.c"
AnimatedSprite knight_idle = {
AnimatedSprite knight_idle =
{
.img = &image_knight_idle,
.time_per_frame = 0.3,
.num_frames = 10,
.start = {16.0f, 0.0f},
.start =
{16.0f, 0.0f},
.horizontal_diff_btwn_frames = 120.0,
.region_size = {80.0f, 80.0f},
.region_size =
{80.0f, 80.0f},
};
AnimatedSprite knight_running = {
AnimatedSprite knight_running =
{
.img = &image_knight_run,
.time_per_frame = 0.06,
.num_frames = 10,
.start = {19.0f, 0.0f},
.start =
{19.0f, 0.0f},
.horizontal_diff_btwn_frames = 120.0,
.region_size = {80.0f, 80.0f},
.region_size =
{80.0f, 80.0f},
};
sg_image image_font = {0};
sg_image image_font =
{0};
const float font_size = 32.0;
stbtt_bakedchar cdata[96]; // ASCII 32..126 is 95 glyphs
// so can be grep'd and removed
#define dbgprint(...) { printf("Debug | %s:%d | ", __FILE__, __LINE__); printf(__VA_ARGS__); }
#define dbgprint(...)
{ printf("Debug | %s:%d | ", __FILE__, __LINE__); printf(__VA_ARGS__); }
static struct {
static struct
{
sg_pass_action pass_action;
sg_pipeline pip;
sg_bindings bind;
} state;
HMM_Vec2 character_pos = {0}; // world space point
HMM_Vec2 character_pos =
{0}; // world space point
void init(void) {
void init(void)
{
stm_setup();
sg_setup(&(sg_desc){
.context = sapp_sgcontext()
@ -173,6 +202,7 @@ void init(void) {
character_pos = tilecoord_to_world((TileCoord){(int)spawnpoint_tilecoord.X, (int)spawnpoint_tilecoord.Y});
// load font
{
FILE* fontFile = fopen("assets/orange kid.ttf", "rb");
fseek(fontFile, 0, SEEK_END);
@ -184,11 +214,13 @@ void init(void) {
fread(fontBuffer, size, 1, fontFile);
fclose(fontFile);
unsigned char font_bitmap[512*512] = {0};
unsigned char font_bitmap[512*512] =
{0};
stbtt_BakeFontBitmap(fontBuffer, 0, font_size, font_bitmap, 512, 512, 32, 96, cdata);
unsigned char *font_bitmap_rgba = malloc(4 * 512 * 512); // stack would be too big if allocated on stack (stack overflow)
for(int i = 0; i < 512 * 512; i++) {
for(int i = 0; i < 512 * 512; i++)
{
font_bitmap_rgba[i*4 + 0] = 255;
font_bitmap_rgba[i*4 + 1] = 255;
font_bitmap_rgba[i*4 + 2] = 255;
@ -201,15 +233,17 @@ void init(void) {
.pixel_format = SG_PIXELFORMAT_RGBA8,
.min_filter = SG_FILTER_NEAREST,
.mag_filter = SG_FILTER_NEAREST,
.data.subimage[0][0] = {
.data.subimage[0][0] =
{
.ptr = font_bitmap_rgba,
.size = (size_t)(512 * 512 * 4),
}
});
} );
free(font_bitmap_rgba);
}
state.bind.vertex_buffers[0] = sg_make_buffer(&(sg_buffer_desc){
state.bind.vertex_buffers[0] = sg_make_buffer(&(sg_buffer_desc)
{
.usage = SG_USAGE_STREAM,
//.data = SG_RANGE(vertices),
.size = 1024*500,
@ -217,7 +251,8 @@ void init(void) {
});
/* an index buffer with 2 triangles */
uint16_t indices[] = { 0, 1, 2, 0, 2, 3 };
uint16_t indices[] =
{ 0, 1, 2, 0, 2, 3 };
state.bind.index_buffer = sg_make_buffer(&(sg_buffer_desc){
.type = SG_BUFFERTYPE_INDEXBUFFER,
.data = SG_RANGE(indices),
@ -227,11 +262,13 @@ void init(void) {
sg_shader shd = sg_make_shader(quad_program_shader_desc(sg_query_backend()));
state.pip = sg_make_pipeline(&(sg_pipeline_desc){
state.pip = sg_make_pipeline(&(sg_pipeline_desc)
{
.shader = shd,
.index_type = SG_INDEXTYPE_UINT16,
.layout = {
.attrs = {
.attrs =
{
[ATTR_quad_vs_position].format = SG_VERTEXFORMAT_FLOAT2,
[ATTR_quad_vs_texcoord0].format = SG_VERTEXFORMAT_FLOAT2,
}
@ -248,11 +285,15 @@ void init(void) {
.label = "quad-pipeline",
});
state.pass_action = (sg_pass_action) {
//.colors[0] = { .action=SG_ACTION_CLEAR, .value={12.5f/255.0f, 12.5f/255.0f, 12.5f/255.0f, 1.0f } }
//.colors[0] = { .action=SG_ACTION_CLEAR, .value={255.5f/255.0f, 255.5f/255.0f, 255.5f/255.0f, 1.0f } }
state.pass_action = (sg_pass_action)
{
//.colors[0] =
{ .action=SG_ACTION_CLEAR, .value={12.5f/255.0f, 12.5f/255.0f, 12.5f/255.0f, 1.0f } }
//.colors[0] =
{ .action=SG_ACTION_CLEAR, .value={255.5f/255.0f, 255.5f/255.0f, 255.5f/255.0f, 1.0f } }
// 0x898989 is the color in tiled
.colors[0] = { .action=SG_ACTION_CLEAR, .value={137.0f/255.0f, 137.0f/255.0f, 137.0f/255.0f, 1.0f } }
.colors[0] =
{ .action=SG_ACTION_CLEAR, .value={137.0f/255.0f, 137.0f/255.0f, 137.0f/255.0f, 1.0f } }
};
}
@ -264,11 +305,13 @@ typedef HMM_Vec4 Color;
#define RED (Color){1.0f, 0.0f, 0.0f, 1.0f}
HMM_Vec2 screen_size() {
HMM_Vec2 screen_size()
{
return HMM_V2((float)sapp_width(), (float)sapp_height());
}
typedef struct Camera {
typedef struct Camera
{
HMM_Vec2 pos;
float scale;
} Camera;
@ -277,35 +320,42 @@ typedef struct Camera {
// everything is in pixels in world space, 43 pixels is approx 1 meter measured from
// merchant sprite being 5'6"
const float pixels_per_meter = 43.0f;
Camera cam = {.scale = 2.0f };
Camera cam =
{.scale = 2.0f };
HMM_Vec2 cam_offset() {
HMM_Vec2 cam_offset()
{
return HMM_AddV2(cam.pos, HMM_MulV2F(screen_size(), 0.5f));
}
// in pixels
HMM_Vec2 img_size(sg_image img) {
HMM_Vec2 img_size(sg_image img)
{
sg_image_info info = sg_query_image_info(img);
return HMM_V2((float)info.width, (float)info.height);
}
// full region in pixels
AABB full_region(sg_image img) {
return (AABB) {
AABB full_region(sg_image img)
{
return (AABB)
{
.upper_left = HMM_V2(0.0f, 0.0f),
.lower_right = img_size(img),
};
}
// screen coords are in pixels counting from bottom left as (0,0), Y+ is up
HMM_Vec2 world_to_screen(HMM_Vec2 world) {
HMM_Vec2 world_to_screen(HMM_Vec2 world)
{
HMM_Vec2 to_return = world;
to_return = HMM_MulV2F(to_return, cam.scale);
to_return = HMM_AddV2(to_return, cam_offset());
return to_return;
}
HMM_Vec2 screen_to_world(HMM_Vec2 screen) {
HMM_Vec2 screen_to_world(HMM_Vec2 screen)
{
HMM_Vec2 to_return = screen;
to_return = HMM_SubV2(to_return, cam_offset());
to_return = HMM_MulV2F(to_return, 1.0f/cam.scale);
@ -313,56 +363,74 @@ HMM_Vec2 screen_to_world(HMM_Vec2 screen) {
}
// out must be of at least length 4
void quad_points_corner_size(HMM_Vec2 *out, HMM_Vec2 at, HMM_Vec2 size) {
void quad_points_corner_size(HMM_Vec2 *out, HMM_Vec2 at, HMM_Vec2 size)
{
out[0] = HMM_V2(0.0, 0.0);
out[1] = HMM_V2(size.X, 0.0);
out[2] = HMM_V2(size.X, -size.Y);
out[3] = HMM_V2(0.0, -size.Y);
for(int i = 0; i < 4; i++) {
for(int i = 0; i < 4; i++)
{
out[i] = HMM_AddV2(out[i], at);
}
}
// out must be of at least length 4
void quad_points_centered_size(HMM_Vec2 *out, HMM_Vec2 at, HMM_Vec2 size) {
void quad_points_centered_size(HMM_Vec2 *out, HMM_Vec2 at, HMM_Vec2 size)
{
quad_points_corner_size(out, at, size);
for(int i = 0; i < 4; i++) {
for(int i = 0; i < 4; i++)
{
out[i] = HMM_AddV2(out[i], HMM_V2(-size.X*0.5f, size.Y*0.5f));
}
}
// both segment_a and segment_b must be arrays of length 2
bool segments_overlapping(float *a_segment, float *b_segment) {
bool segments_overlapping(float *a_segment, float *b_segment)
{
assert(a_segment[1] >= a_segment[0]);
assert(b_segment[1] >= b_segment[0]);
float total_length = (a_segment[1] - a_segment[0]) + (b_segment[1] - b_segment[0]);
float farthest_to_left = min(a_segment[0], b_segment[0]);
float farthest_to_right = max(a_segment[1], b_segment[1]);
if (farthest_to_right - farthest_to_left < total_length) {
if (farthest_to_right - farthest_to_left < total_length)
{
return true;
} else {
} else
{
return false;
}
}
bool overlapping(AABB a, AABB b) {
bool overlapping(AABB a, AABB b)
{
// x axis
{
float a_segment[2] =
{ a.upper_left.X, a.lower_right.X };
float b_segment[2] =
{ b.upper_left.X, b.lower_right.X };
if(segments_overlapping(a_segment, b_segment))
{
} else
{
float a_segment[2] = { a.upper_left.X, a.lower_right.X };
float b_segment[2] = { b.upper_left.X, b.lower_right.X };
if(segments_overlapping(a_segment, b_segment)) {
} else {
return false;
}
}
// y axis
{
float a_segment[2] =
{ a.lower_right.Y, a.upper_left.Y };
float b_segment[2] =
{ b.lower_right.Y, b.upper_left.Y };
if(segments_overlapping(a_segment, b_segment))
{
} else
{
float a_segment[2] = { a.lower_right.Y, a.upper_left.Y };
float b_segment[2] = { b.lower_right.Y, b.upper_left.Y };
if(segments_overlapping(a_segment, b_segment)) {
} else {
return false;
}
}
@ -372,26 +440,34 @@ bool overlapping(AABB a, AABB b) {
// points must be of length 4, and be in the order: upper left, upper right, lower right, lower left
// the points are in pixels in screen space. The image region is in pixel space of the image
void draw_quad(bool world_space, HMM_Vec2 *points_in, sg_image image, AABB image_region, Color tint) {
HMM_Vec2 points[4] = {0};
void draw_quad(bool world_space, HMM_Vec2 *points_in, sg_image image, AABB image_region, Color tint)
{
HMM_Vec2 points[4] =
{0};
memcpy(points, points_in, sizeof(points));
if(world_space) {
for(int i = 0; i < 4; i++) {
if(world_space)
{
for(int i = 0; i < 4; i++)
{
points[i] = world_to_screen(points[i]);
}
}
AABB cam_aabb = { .upper_left = HMM_V2(0.0, screen_size().Y), .lower_right = HMM_V2(screen_size().X, 0.0) };
AABB points_bounding_box = { .upper_left = HMM_V2(INFINITY, -INFINITY), .lower_right = HMM_V2(-INFINITY, INFINITY) };
AABB cam_aabb =
{ .upper_left = HMM_V2(0.0, screen_size().Y), .lower_right = HMM_V2(screen_size().X, 0.0) };
AABB points_bounding_box =
{ .upper_left = HMM_V2(INFINITY, -INFINITY), .lower_right = HMM_V2(-INFINITY, INFINITY) };
for(int i = 0; i < 4; i++) {
for(int i = 0; i < 4; i++)
{
points_bounding_box.upper_left.X = min(points_bounding_box.upper_left.X, points[i].X);
points_bounding_box.upper_left.Y = max(points_bounding_box.upper_left.Y, points[i].Y);
points_bounding_box.lower_right.X = max(points_bounding_box.lower_right.X, points[i].X);
points_bounding_box.lower_right.Y = min(points_bounding_box.lower_right.Y, points[i].Y);
}
if(!overlapping(cam_aabb, points_bounding_box)) {
if(!overlapping(cam_aabb, points_bounding_box))
{
return; // cull out of screen quads
}
@ -399,7 +475,8 @@ void draw_quad(bool world_space, HMM_Vec2 *points_in, sg_image image, AABB image
HMM_Vec2 region_size = HMM_SubV2(image_region.lower_right, image_region.upper_left);
assert(region_size.X > 0.0);
assert(region_size.Y > 0.0);
HMM_Vec2 tex_coords[4] = {
HMM_Vec2 tex_coords[4] =
{
HMM_AddV2(image_region.upper_left, HMM_V2(0.0, 0.0)),
HMM_AddV2(image_region.upper_left, HMM_V2(region_size.X, 0.0)),
HMM_AddV2(image_region.upper_left, HMM_V2(region_size.X, region_size.Y)),
@ -407,10 +484,12 @@ void draw_quad(bool world_space, HMM_Vec2 *points_in, sg_image image, AABB image
};
// convert to uv space
sg_image_info info = sg_query_image_info(image);
for(int i = 0; i < 4; i++) {
for(int i = 0; i < 4; i++)
{
tex_coords[i] = HMM_DivV2(tex_coords[i], HMM_V2((float)info.width, (float)info.height));
}
for(int i = 0; i < 4; i++) {
for(int i = 0; i < 4; i++)
{
HMM_Vec2 zero_to_one = HMM_DivV2(points[i], screen_size());
HMM_Vec2 in_clip_space = HMM_SubV2(HMM_MulV2F(zero_to_one, 2.0), HMM_V2(1.0, 1.0));
new_vertices[i*4] = in_clip_space.X;
@ -419,7 +498,8 @@ void draw_quad(bool world_space, HMM_Vec2 *points_in, sg_image image, AABB image
new_vertices[i*4 + 3] = tex_coords[i].Y;
}
state.bind.vertex_buffer_offsets[0] = sg_append_buffer(state.bind.vertex_buffers[0], &SG_RANGE(new_vertices));
quad_fs_params_t params = {0};
quad_fs_params_t params =
{0};
params.tint[0] = tint.R;
params.tint[1] = tint.G;
params.tint[2] = tint.B;
@ -435,20 +515,24 @@ void draw_quad(bool world_space, HMM_Vec2 *points_in, sg_image image, AABB image
sg_draw(0, 6, 1);
}
void swap(HMM_Vec2 *p1, HMM_Vec2 *p2) {
void swap(HMM_Vec2 *p1, HMM_Vec2 *p2)
{
HMM_Vec2 tmp = *p1;
*p1 = *p2;
*p2 = tmp;
}
void draw_animated_sprite(AnimatedSprite *s, double time, bool flipped, HMM_Vec2 pos, Color tint) {
void draw_animated_sprite(AnimatedSprite *s, double time, bool flipped, HMM_Vec2 pos, Color tint)
{
sg_image spritesheet_img = *s->img;
int index = (int)floor(time/s->time_per_frame) % s->num_frames;
HMM_Vec2 points[4] = {0};
HMM_Vec2 points[4] =
{0};
quad_points_centered_size(points, pos, s->region_size);
if(flipped) {
if(flipped)
{
swap(&points[0], &points[1]);
swap(&points[3], &points[2]);
}
@ -461,11 +545,13 @@ void draw_animated_sprite(AnimatedSprite *s, double time, bool flipped, HMM_Vec2
}
void colorbox(bool world_space, HMM_Vec2 upper_left, HMM_Vec2 lower_right, Color color) {
void colorbox(bool world_space, HMM_Vec2 upper_left, HMM_Vec2 lower_right, Color color)
{
HMM_Vec2 size = HMM_SubV2(lower_right, upper_left);
size.Y *= -1.0;
assert(size.Y >= 0.0);
HMM_Vec2 points[4] = {
HMM_Vec2 points[4] =
{
HMM_AddV2(upper_left, HMM_V2(0.0f, 0.0f)),
HMM_AddV2(upper_left, HMM_V2(size.X, 0.0f)),
HMM_AddV2(upper_left, HMM_V2(size.X, -size.Y)),
@ -474,7 +560,8 @@ void colorbox(bool world_space, HMM_Vec2 upper_left, HMM_Vec2 lower_right, Color
draw_quad(world_space, points, image_white_square, full_region(image_white_square), color);
}
HMM_Vec2 tile_id_to_coord(sg_image tileset_image, HMM_Vec2 tile_size, uint16_t tile_id) {
HMM_Vec2 tile_id_to_coord(sg_image tileset_image, HMM_Vec2 tile_size, uint16_t tile_id)
{
int tiles_per_row = (int)(img_size(tileset_image).X / tile_size.X);
int tile_index = tile_id - 1;
int tile_image_row = tile_index / tiles_per_row;
@ -485,12 +572,15 @@ HMM_Vec2 tile_id_to_coord(sg_image tileset_image, HMM_Vec2 tile_size, uint16_t t
// 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, size_t length, HMM_Vec2 pos, Color color) {
AABB draw_text(bool world_space, bool dry_run, const char *text, size_t length, HMM_Vec2 pos, Color color)
{
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++) {
for(int i = 0; i < text_len; i++)
{
stbtt_aligned_quad q;
float old_y = y;
stbtt_GetBakedQuad(cdata, 512, 512, text[i]-32, &x, &y, &q, 1);
@ -498,7 +588,8 @@ AABB draw_text(bool world_space, bool dry_run, const char *text, size_t length,
y = old_y + difference;
HMM_Vec2 size = HMM_V2(q.x1 - q.x0, q.y1 - q.y0);
if(text[i] == '\n') {
if(text[i] == '\n')
{
#ifdef DEVTOOLS
y += font_size*0.75f; // arbitrary, only debug text has newlines
x = 0.0;
@ -506,15 +597,18 @@ AABB draw_text(bool world_space, bool dry_run, const char *text, size_t length,
assert(false);
#endif
}
if(size.Y > 0.0 && size.X > 0.0) { // spaces (and maybe other characters) produce quads of size 0
HMM_Vec2 points[4] = {
if(size.Y > 0.0 && size.X > 0.0)
{ // spaces (and maybe other characters) produce quads of size 0
HMM_Vec2 points[4] =
{
HMM_AddV2(HMM_V2(q.x0, -q.y0), HMM_V2(0.0f, 0.0f)),
HMM_AddV2(HMM_V2(q.x0, -q.y0), HMM_V2(size.X, 0.0f)),
HMM_AddV2(HMM_V2(q.x0, -q.y0), HMM_V2(size.X, -size.Y)),
HMM_AddV2(HMM_V2(q.x0, -q.y0), HMM_V2(0.0f, -size.Y)),
};
AABB font_atlas_region = (AABB) {
AABB font_atlas_region = (AABB)
{
.upper_left = HMM_V2(q.s0, q.t0),
.lower_right = HMM_V2(q.s1, q.t1),
};
@ -523,18 +617,21 @@ AABB draw_text(bool world_space, bool dry_run, const char *text, size_t length,
font_atlas_region.upper_left.Y *= img_size(image_font).Y;
font_atlas_region.lower_right.Y *= img_size(image_font).Y;
for(int i = 0; i < 4; i++) {
for(int i = 0; i < 4; i++)
{
bounds.upper_left.X = min(bounds.upper_left.X, points[i].X);
bounds.upper_left.Y = max(bounds.upper_left.Y, points[i].Y);
bounds.lower_right.X = max(bounds.lower_right.X, points[i].X);
bounds.lower_right.Y = min(bounds.lower_right.Y, points[i].Y);
}
for(int i = 0; i < 4; i++) {
for(int i = 0; i < 4; i++)
{
points[i] = HMM_AddV2(points[i], pos);
}
if(!dry_run) {
if(!dry_run)
{
draw_quad(world_space, points, image_font, font_atlas_region, color);
}
}
@ -545,8 +642,10 @@ AABB draw_text(bool world_space, bool dry_run, const char *text, size_t length,
return bounds;
}
void redsquare(HMM_Vec2 at) {
HMM_Vec2 points[4] = {0};
void redsquare(HMM_Vec2 at)
{
HMM_Vec2 points[4] =
{0};
quad_points_centered_size(points, at, HMM_V2(10.0, 10.0));
draw_quad(true, points, image_white_square,full_region(image_font), RED);
}
@ -554,16 +653,20 @@ void redsquare(HMM_Vec2 at) {
double time = 0.0;
double last_frame_processing_time = 0.0;
uint64_t last_frame_time;
HMM_Vec2 mouse_pos = {0}; // in screen space
HMM_Vec2 mouse_pos =
{0}; // in screen space
bool character_facing_left = false;
bool keydown[SAPP_KEYCODE_MENU] = {0};
bool keydown[SAPP_KEYCODE_MENU] =
{0};
#ifdef DEVTOOLS
bool mouse_frozen = false;
#endif
void frame(void) {
void frame(void)
{
uint64_t time_start_frame = stm_now();
// time
double dt_double = 0.0;
{
dt_double = stm_sec(stm_diff(stm_now(), last_frame_time));
dt_double = min(dt_double, 5.0 / 60.0); // clamp dt at maximum 5 frames, avoid super huge dt
@ -576,7 +679,8 @@ void frame(void) {
(float)keydown[SAPP_KEYCODE_D] - (float)keydown[SAPP_KEYCODE_A],
(float)keydown[SAPP_KEYCODE_W] - (float)keydown[SAPP_KEYCODE_S]
);
if(HMM_LenV2(movement) > 1.0) {
if(HMM_LenV2(movement) > 1.0)
{
movement = HMM_NormV2(movement);
}
sg_begin_default_pass(&state.pass_action, sapp_width(), sapp_height());
@ -585,14 +689,19 @@ void frame(void) {
// tilemap
#if 1
Level * cur_level = &level_level0;
for(int row = 0; row < LEVEL_TILES; row++) {
for(int row = 0; row < LEVEL_TILES; row++)
{
for(int col = 0; col < LEVEL_TILES; col++)
{
TileInstance cur = cur_level->tiles[row][col];
TileCoord cur_coord = { col, row };
TileCoord cur_coord =
{ col, row };
TileSet tileset = tileset_ruins_animated;
if(cur.kind != 0) {
HMM_Vec2 points[4] = {0};
if(cur.kind != 0)
{
HMM_Vec2 points[4] =
{0};
HMM_Vec2 tile_size = HMM_V2(TILE_SIZE, TILE_SIZE);
quad_points_corner_size(points, tilecoord_to_world(cur_coord), tile_size);
@ -601,12 +710,15 @@ void frame(void) {
HMM_Vec2 tile_image_coord = tile_id_to_coord(tileset_image, tile_size, cur.kind);
AnimatedTile *anim = NULL;
for(int i = 0; i < sizeof(tileset.animated)/sizeof(*tileset.animated); i++) {
if(tileset.animated[i].id_from == cur.kind-1) {
for(int i = 0; i < sizeof(tileset.animated)/sizeof(*tileset.animated); i++)
{
if(tileset.animated[i].id_from == cur.kind-1)
{
anim = &tileset.animated[i];
}
}
if(anim) {
if(anim)
{
double time_per_frame = 0.1;
int frame_index = (int)(time/time_per_frame) % anim->num_frames;
tile_image_coord = tile_id_to_coord(tileset_image, tile_size, anim->frames[frame_index]+1);
@ -625,10 +737,12 @@ void frame(void) {
HMM_Vec2 new_pos = HMM_AddV2(character_pos, HMM_MulV2F(movement, dt * pixels_per_meter * 4.0f));
HMM_Vec2 character_aabb_size = { TILE_SIZE, TILE_SIZE };
HMM_Vec2 character_aabb_size =
{ TILE_SIZE, TILE_SIZE };
AABB at_new = centered_aabb(new_pos, character_aabb_size);
HMM_Vec2 at_new_size_vector = HMM_SubV2(at_new.lower_right, at_new.upper_left);
HMM_Vec2 points_to_check[] = {
HMM_Vec2 points_to_check[] =
{
HMM_AddV2(at_new.upper_left, HMM_V2(0.0, 0.0)),
HMM_AddV2(at_new.upper_left, HMM_V2(at_new_size_vector.X, 0.0)),
HMM_AddV2(at_new.upper_left, HMM_V2(at_new_size_vector.X, at_new_size_vector.Y)),
@ -637,18 +751,23 @@ void frame(void) {
//redsquare(character_pos);
//redsquare(at_new.upper_left);
//redsquare(at_new.lower_right);
for(int i = 0; i < sizeof(points_to_check)/sizeof(*points_to_check); i++) {
for(int i = 0; i < sizeof(points_to_check)/sizeof(*points_to_check); i++)
{
HMM_Vec2 *it = &points_to_check[i];
TileCoord to_check = world_to_tilecoord(*it);
char num[10] = {0};
char num[10] =
{0};
snprintf(num, 10, "%d", get_tile(&level_level0, to_check));
draw_text(false, false, num, strlen(num), world_to_screen(tilecoord_to_world(to_check)), BLACK);
if(get_tile(&level_level0, to_check) == 53) {
if(get_tile(&level_level0, to_check) == 53)
{
redsquare(tilecoord_to_world(to_check));
AABB to_depenetrate_from = tile_aabb(to_check);
while(overlapping(to_depenetrate_from, at_new)) {
//while(false) {
while(overlapping(to_depenetrate_from, at_new))
{
//while(false)
{
//redsquare(to_depenetrate_from.upper_left);
//redsquare(to_depenetrate_from.lower_right);
const float move_dist = 0.05f;
@ -664,32 +783,40 @@ void frame(void) {
#ifdef DEVTOOLS
// mouse pos
{
redsquare(screen_to_world(mouse_pos));
/*
HMM_Vec2 points[4] = {0};
HMM_Vec2 points[4] =
{0};
quad_points_centered_size(points, screen_to_world(mouse_pos), HMM_V2(10.0, 10.0));
draw_quad(true, points, image_white_square,full_region(image_font), RED);
*/
}
// tile coord
{
TileCoord hovering = world_to_tilecoord(screen_to_world(mouse_pos));
HMM_Vec2 points[4] = {0};
HMM_Vec2 points[4] =
{0};
quad_points_centered_size(points, tilecoord_to_world(hovering), HMM_V2(10.0, 10.0));
draw_quad(true, points, image_white_square,full_region(image_font), RED);
}
// debug draw font image
{
HMM_Vec2 points[4] = {0};
HMM_Vec2 points[4] =
{0};
quad_points_centered_size(points, HMM_V2(0.0, 0.0), HMM_V2(250.0, 250.0));
draw_quad(true, points, image_font,full_region(image_font), WHITE);
}
// statistics
{
char statistics[1024] = {0};
char statistics[1024] =
{0};
snprintf(statistics, sizeof(statistics), "Frametime: %.1f ms\nProcessing: %.1f ms", dt*1000.0, last_frame_processing_time*1000.0);
HMM_Vec2 pos = HMM_V2(0.0, screen_size().Y);
AABB bounds = draw_text(false, true, statistics, strlen(statistics), pos, BLACK);
@ -706,11 +833,13 @@ void frame(void) {
const char *text = "great idea\nother idea";
// measure text
HMM_Vec2 pos = character_pos;
{
AABB bounds = draw_text(true, true, text, strlen(text), pos, WHITE);
colorbox(true, bounds.upper_left, bounds.lower_right, (Color){1.0,0.0,0.0,0.5});
}
// draw text
{
draw_text(true, false, text, strlen(text), pos, WHITE);
}
@ -720,9 +849,11 @@ void frame(void) {
if(fabsf(movement.X) > 0.01f) character_facing_left = movement.X < 0.0f;
HMM_Vec2 character_sprite_pos = HMM_AddV2(character_pos, HMM_V2(0.0, 20.0f));
if(HMM_LenV2(movement) > 0.01) {
if(HMM_LenV2(movement) > 0.01)
{
draw_animated_sprite(&knight_running, time, character_facing_left, character_sprite_pos, WHITE);
} else {
} else
{
draw_animated_sprite(&knight_idle, time, character_facing_left, character_sprite_pos, WHITE);
}
@ -730,38 +861,46 @@ void frame(void) {
sg_commit();
last_frame_processing_time = stm_sec(stm_diff(stm_now(),time_start_frame));
}
}
void cleanup(void) {
void cleanup(void)
{
sg_shutdown();
}
}
void event(const sapp_event *e) {
if(e->type == SAPP_EVENTTYPE_KEY_DOWN) {
void event(const sapp_event *e)
{
if(e->type == SAPP_EVENTTYPE_KEY_DOWN)
{
assert(e->key_code < sizeof(keydown)/sizeof(*keydown));
keydown[e->key_code] = true;
if(e->key_code == SAPP_KEYCODE_ESCAPE) {
if(e->key_code == SAPP_KEYCODE_ESCAPE)
{
sapp_quit();
}
#ifdef DEVTOOLS
if(e->key_code == SAPP_KEYCODE_T) {
if(e->key_code == SAPP_KEYCODE_T)
{
mouse_frozen = !mouse_frozen;
}
#endif
}
if(e->type == SAPP_EVENTTYPE_KEY_UP) {
if(e->type == SAPP_EVENTTYPE_KEY_UP)
{
keydown[e->key_code] = false;
}
if(e->type == SAPP_EVENTTYPE_MOUSE_MOVE) {
if(e->type == SAPP_EVENTTYPE_MOUSE_MOVE)
{
bool ignore_movement = false;
#ifdef DEVTOOLS
if(mouse_frozen) ignore_movement = true;
#endif
if(!ignore_movement) mouse_pos = HMM_V2(e->mouse_x, (float)sapp_height() - e->mouse_y);
}
}
}
sapp_desc sokol_main(int argc, char* argv[]) {
sapp_desc sokol_main(int argc, char* argv[])
{
(void)argc; (void)argv;
return (sapp_desc){
.init_cb = init,
@ -777,4 +916,4 @@ sapp_desc sokol_main(int argc, char* argv[]) {
.icon.sokol_default = true,
};
}
}

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