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-rw-r--r--state_mainstate/src/mainstate.c170
1 files changed, 91 insertions, 79 deletions
diff --git a/state_mainstate/src/mainstate.c b/state_mainstate/src/mainstate.c
index c6df201..dcbe244 100644
--- a/state_mainstate/src/mainstate.c
+++ b/state_mainstate/src/mainstate.c
@@ -38,10 +38,9 @@ enum blocktypes {
#define WORLD_SZ_Y 4
#define WORLD_SZ_Z 8
-static const f32 speed = 128.f;
+static const f32 speed = 96.f;
static f32 crate_texture_coords[36*2];
-static vec3 positions[16*16];
static f32 crate[36*3];
static f32 crate2[36*3];
static f32 crate_normals[36*2];
@@ -49,20 +48,22 @@ static f32 crate_normals[36*2];
#define COUNT(a) sizeof(a) / sizeof(a[0])
/* this is an unfortunate way of declaring this, unfortunately we _really_ don't
* want to force compile-time known sizes of the data */
+#define staticdraw ShaderBuffer_AccessFrequency_static | ShaderBuffer_AccessType_draw
ShaderBuffer shaderbuf[] = {
- SHADERBUFFER_NEW(f32, COUNT(crate), 3, crate, 0),
- SHADERBUFFER_NEW(f32, COUNT(crate_texture_coords), 2, crate_texture_coords, 0),
- SHADERBUFFER_NEW(f32, COUNT(crate_normals), 2, crate_normals, 0),
+ SHADERBUFFER_NEW(f32, COUNT(crate), 3, crate, staticdraw),
+ SHADERBUFFER_NEW(f32, COUNT(crate_texture_coords), 2, crate_texture_coords, staticdraw),
+ SHADERBUFFER_NEW(f32, COUNT(crate_normals), 2, crate_normals, staticdraw),
};
ShaderBuffer shaderbuf2[] = {
- SHADERBUFFER_NEW(f32, COUNT(crate2), 3, crate2, 0),
- SHADERBUFFER_NEW(f32, COUNT(crate_texture_coords), 2, crate_texture_coords, 0),
- SHADERBUFFER_NEW(f32, COUNT(crate_normals), 2, crate_normals, 0),
+ SHADERBUFFER_NEW(f32, COUNT(crate2), 3, crate2, staticdraw),
+ SHADERBUFFER_NEW(f32, COUNT(crate_texture_coords), 2, crate_texture_coords, staticdraw),
+ SHADERBUFFER_NEW(f32, COUNT(crate_normals), 2, crate_normals, staticdraw),
};
#undef COUNT
-#define ACCELERATE( x, y, z ) glm_vec3_add((vec3){x, y, z}, s->cam_acc, s->cam_acc)
+#define ACCELERATE( x, y, z ) \
+ glm_vec3_add((vec3){x, y, z}, s->cam_acc, s->cam_acc)
void move_cam_left(mainstate_state *s) { ACCELERATE(-speed, 0, 0); }
void move_cam_left_stop(mainstate_state *s) { ACCELERATE(+speed, 0, 0); }
void move_cam_right(mainstate_state *s) { ACCELERATE( speed, 0, 0); }
@@ -161,6 +162,7 @@ void mainstate_init(mainstate_state *state, void* arg) {
// Set the position (it is zero initialized)
//glm_vec3_copy((vec3){4,3,4}, state->c.pos);
glm_vec3_copy((vec3){WORLD_SZ_X / 2.f, WORLD_SZ_Y / 2.f + 4.f, WORLD_SZ_Z / 2.f}, state->c.pos);
+
// Copy to the desired position
glm_vec3_copy(state->c.pos, state->cam_pos);
//glm_vec3_copy((vec3){0,0,0}, state->cam_speed);
@@ -266,6 +268,7 @@ void mainstate_init(mainstate_state *state, void* arg) {
}
void* mainstate_free(mainstate_state *state) {
+ i_ctx_pop();
return NULL;
}
@@ -276,9 +279,12 @@ StateType mainstate_update(f64 dt, mainstate_state *state) {
dt = dt / 1000000.0;
engine_draw_model(&(state->objects[2]), (vec3){0,0,0});
+ //engine_draw_model(&(state->objects[0]), (vec3){0,0,0});
+ //engine_draw_model(&(state->objects[1]), (vec3){0,0,0});
// Move the camera
// ... all of this should be easily selectable in the engine
+ const float friction = 1.f / (1.f + (dt * 7.5f));
vec3 acc;
vec3 speed;
@@ -286,9 +292,14 @@ StateType mainstate_update(f64 dt, mainstate_state *state) {
glm_vec3_scale(state->cam_acc, dt, acc);
glm_vec3_scale(state->cam_speed, dt, speed);
- // add speed to position
- glm_vec3_scale(state->cam_speed, dt, speed);
+ glm_vec3_add(acc, speed, speed);
+ // Add delta speed to speed
+ glm_vec3_add(acc, state->cam_speed, state->cam_speed);
+ // Scale by friction
+ glm_vec3_scale(state->cam_speed, friction, state->cam_speed);
+
+ // add speed to position
// Move it along the actual direction of the camera
vec3 dir;
glm_vec3_copy(state->c.dir, dir);
@@ -308,10 +319,11 @@ StateType mainstate_update(f64 dt, mainstate_state *state) {
t[0] += dir[0] * speed[2];
t[2] -= dir[0] * speed[0];
+ // Update position
glm_vec3_add(state->cam_pos, t, state->cam_pos);
+ // Update the actual camera position
glm_vec3_copy(state->cam_pos, state->c.pos);
- glm_vec3_scale(state->cam_speed, 0.85, state->cam_speed);
// Rotate the camera
if (state->cam_dir_dt - dt > 0) {
@@ -331,83 +343,83 @@ StateType mainstate_update(f64 dt, mainstate_state *state) {
glm_vec3_copy(a, state->c.dir);
}
- return next_state;
+ return next_state;
}
static const f32 px = 1. / 96.;
static f32 crate_texture_coords[] = {
// BEHIND 0
- 49.*px, 1.0,
- 65.*px, 1.0,
- 65.*px, 0.0,
+ 49.f*px, 1.0f,
+ 65.f*px, 1.0f,
+ 65.f*px, 0.0f,
// REAL LEFT 0
- 33.*px, 0.0,
- 49.*px, 1.0,
- 49.*px, 0.0,
+ 33.f*px, 0.0f,
+ 49.f*px, 1.0f,
+ 49.f*px, 0.0f,
// BOTTOM 0
- 81*px, 0,
- 96*px, 1,
- 96*px, 0,
+ 81.f*px, 0.f,
+ 96.f*px, 1.f,
+ 96.f*px, 0.f,
// REAL LEFT 1
- 33.*px, 0.0,
- 33.*px, 1.0,
- 49.*px, 1.0,
+ 33.f*px, 0.0f,
+ 33.f*px, 1.0f,
+ 49.f*px, 1.0f,
// BEHIND 1
- 49.*px, 1.0,
- 65.*px, 0.0,
- 49.*px, 0.0,
+ 49.f*px, 1.0f,
+ 65.f*px, 0.0f,
+ 49.f*px, 0.0f,
// BOTTOM 1
- 81*px, 0,
- 81*px, 1,
- 96*px, 1,
+ 81.f*px, 0.f,
+ 81.f*px, 1.f,
+ 96.f*px, 1.f,
// LEFT 0
- 0.0, 0.0,
- 0.0, 1.0,
- 17.*px, 1.0,
+ 0.0f, 0.0f,
+ 0.0f, 1.0f,
+ 17.f*px, 1.0f,
// RIGHT 0
- 17.*px, 0.0,
- 33.*px, 1.0,
- 33.*px, 0.0,
+ 17.f*px, 0.0f,
+ 33.f*px, 1.0f,
+ 33.f*px, 0.0f,
// RIGHT 1
- 33.*px, 1.0,
- 17.*px, 0.0,
- 17.*px, 1.0,
+ 33.f*px, 1.0f,
+ 17.f*px, 0.0f,
+ 17.f*px, 1.0f,
// TOP 0
- 80.*px, 1.0,
- 65.*px, 1.0,
- 65.*px, 0.0,
+ 80.f*px, 1.0f,
+ 65.f*px, 1.0f,
+ 65.f*px, 0.0f,
// TOP 1
- 65.*px, 1.,
- 80.*px, 0.,
- 65.*px, 0.,
+ 65.f*px, 1.f,
+ 80.f*px, 0.f,
+ 65.f*px, 0.f,
// LEFT 1
- 17.*px, 0.0,
- 0.*px, 0.0,
- 17.*px, 1.0,
+ 17.f*px, 0.0f,
+ 0.f*px, 0.0f,
+ 17.f*px, 1.0f,
};
static f32 crate_normals[] = {
// BEHIND 0
- 49.*px, 1.0,
- 65.*px, 1.0,
- 65.*px, 0.0,
+ 49.f*px, 1.0f,
+ 65.f*px, 1.0f,
+ 65.f*px, 0.0f,
// REAL LEFT 0
- 33.*px, 0.0,
- 49.*px, 1.0,
- 49.*px, 0.0,
+ 33.f*px, 0.0f,
+ 49.f*px, 1.0f,
+ 49.f*px, 0.0f,
// BOTTOM 0
81*px, 0,
@@ -415,14 +427,14 @@ static f32 crate_normals[] = {
96*px, 0,
// REAL LEFT 1
- 33.*px, 0.0,
- 33.*px, 1.0,
- 49.*px, 1.0,
+ 33.f*px, 0.0f,
+ 33.f*px, 1.0f,
+ 49.f*px, 1.0f,
// BEHIND 1
- 49.*px, 1.0,
- 65.*px, 0.0,
- 49.*px, 0.0,
+ 49.f*px, 1.0f,
+ 65.f*px, 0.0f,
+ 49.f*px, 0.0f,
// BOTTOM 1
81*px, 0,
@@ -430,34 +442,34 @@ static f32 crate_normals[] = {
96*px, 1,
// LEFT 0
- 0.0, 0.0,
- 0.0, 1.0,
- 17.*px, 1.0,
+ 0.0f, 0.0f,
+ 0.0f, 1.0f,
+ 17.f*px, 1.0f,
// RIGHT 0
- 17.*px, 0.0,
- 33.*px, 1.0,
- 33.*px, 0.0,
+ 17.f*px, 0.0f,
+ 33.f*px, 1.0f,
+ 33.f*px, 0.0f,
// RIGHT 1
- 33.*px, 1.0,
- 17.*px, 0.0,
- 17.*px, 1.0,
+ 33.f*px, 1.0f,
+ 17.f*px, 0.0f,
+ 17.f*px, 1.0f,
// TOP 0
- 80.*px, 1.0,
- 65.*px, 1.0,
- 65.*px, 0.0,
+ 80.f*px, 1.0f,
+ 65.f*px, 1.0f,
+ 65.f*px, 0.0f,
// TOP 1
- 65.*px, 1.,
- 80.*px, 0.,
- 65.*px, 0.,
+ 65.f*px, 1.f,
+ 80.f*px, 0.f,
+ 65.f*px, 0.f,
// LEFT 1
- 17.*px, 0.0,
- 0.*px, 0.0,
- 17.*px, 1.0,
+ 17.f*px, 0.0f,
+ 0.f*px, 0.0f,
+ 17.f*px, 1.0f,
};
static f32 crate[] = {
generated by cgit v1.3 (git 2.53.0) at 2026-05-23 16:23:58 +0000