better lighting

src/sim/pxl8_sim.h

@@ -0,0 +1,56 @@
+#pragma once
+
+#include "pxl8_bsp.h"
+#include "pxl8_math.h"
+#include "pxl8_protocol.h"
+#include "pxl8_types.h"
+#include "pxl8_vxl.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define PXL8_SIM_FLAG_ALIVE    (1 << 0)
+#define PXL8_SIM_FLAG_PLAYER   (1 << 1)
+#define PXL8_SIM_FLAG_GROUNDED (1 << 2)
+
+#define PXL8_SIM_MOVE_SPEED    180.0f
+#define PXL8_SIM_GROUND_ACCEL  10.0f
+#define PXL8_SIM_AIR_ACCEL     1.0f
+#define PXL8_SIM_STOP_SPEED    100.0f
+#define PXL8_SIM_FRICTION      6.0f
+#define PXL8_SIM_GRAVITY       800.0f
+#define PXL8_SIM_JUMP_VELOCITY 200.0f
+#define PXL8_SIM_PLAYER_RADIUS 16.0f
+#define PXL8_SIM_MAX_PITCH     1.5f
+
+typedef struct pxl8_sim_entity {
+    pxl8_vec3 pos;
+    pxl8_vec3 vel;
+    f32 yaw;
+    f32 pitch;
+    u32 flags;
+    u16 kind;
+    u16 _pad;
+} pxl8_sim_entity;
+
+typedef struct pxl8_sim_world {
+    const pxl8_bsp* bsp;
+    const pxl8_vxl_chunk* vxl;
+    i32 vxl_cx, vxl_cy, vxl_cz;
+} pxl8_sim_world;
+
+bool pxl8_bsp_point_solid(const pxl8_bsp* bsp, pxl8_vec3 pos);
+pxl8_vec3 pxl8_bsp_trace(const pxl8_bsp* bsp, pxl8_vec3 from, pxl8_vec3 to, f32 radius);
+
+bool pxl8_vxl_point_solid(const pxl8_vxl_chunk* chunk, i32 cx, i32 cy, i32 cz, f32 x, f32 y, f32 z);
+pxl8_vec3 pxl8_vxl_trace(const pxl8_vxl_chunk* chunk, i32 cx, i32 cy, i32 cz, pxl8_vec3 from, pxl8_vec3 to, f32 radius);
+
+pxl8_vec3 pxl8_sim_trace(const pxl8_sim_world* world, pxl8_vec3 from, pxl8_vec3 to, f32 radius);
+bool pxl8_sim_check_ground(const pxl8_sim_world* world, pxl8_vec3 pos, f32 radius);
+void pxl8_sim_move_player(pxl8_sim_entity* ent, const pxl8_input_msg* input, const pxl8_sim_world* world, f32 dt);
+void pxl8_sim_integrate(pxl8_sim_entity* ent, const pxl8_sim_world* world, f32 dt);
+
+#ifdef __cplusplus
+}
+#endif