another api change

[carveJwlIkooP6JGAAIwe30JlM.git] / player_device_common.h

diff --git a/player_device_common.h b/player_device_common.h
new file mode 100644 (file)
index 0000000..6e468eb
--- /dev/null
+++ b/player_device_common.h
@@ -0,0 +1,131 @@
+#ifndef PLAYER_DEVICE_COMMON_H
+#define PLAYER_DEVICE_COMMON_H
+
+#define VG_GAME
+#include "vg/vg.h"
+#include "common.h"
+#include "player_interface.h"
+
+struct mixedcam_state
+{
+   v3f vl, vt, pos, post, dir;
+   struct teleport_gate *gate;
+};
+
+/* 
+ * this is a little yucky but needs to be done so we can use this 'prediction' 
+ * in the pose function. its unfortunate. too bad
+ */
+VG_STATIC void followcam_nextpos( player_interface *player,
+                                  struct mixedcam_state *mc,
+                                  v3f next_pos, v3f d )
+{
+}
+
+
+VG_STATIC int followcam_will_hit_gate( player_interface *player,
+                                       struct mixedcam_state *mc )
+{
+   if( mc->gate )
+   {
+      v3f next_pos, d, _;
+      followcam_nextpos( player, mc, next_pos, d );
+
+      return gate_intersect_plane( mc->gate, next_pos, mc->pos, _ );
+   }
+
+   return 0;
+}
+
+VG_STATIC void mixedcam_transport( struct mixedcam_state *mc, 
+                                   teleport_gate *gate )
+{
+   m3x3_mulv( gate->transport, mc->vl, mc->vl );
+   mc->gate = gate;
+
+#if 0
+   if( !cl_thirdperson )
+      player_apply_transport_to_cam( gate->transport );
+#endif
+}
+
+VG_STATIC void mixedcam_reset( player_interface *player, 
+                               struct mixedcam_state *mc )
+{
+   mc->gate = NULL;
+}
+
+
+VG_STATIC void mixedcam_set_targets( struct mixedcam_state *mc, v3f v, v3f co )
+{
+   v3_copy( v, mc->vt );
+   v3_copy( co, mc->post );
+}
+
+
+VG_STATIC void mixedcam_iterate_firstperson_frame( player_interface *player,
+                                                   struct mixedcam_state *mc )
+{
+   v3_lerp( mc->vl, mc->vt, 4.0f*vg.time_delta, mc->vl );
+}
+
+VG_STATIC void mixedcam_iterate_thirdperson_frame( player_interface *player,
+                                                   struct mixedcam_state *mc )
+{
+   v3f prev_pos, origin, target, dir;
+
+   v3_copy( mc->pos, prev_pos );
+
+   if( mc->gate )
+   {
+      m4x3f inverse;
+      m4x3_invert_affine( mc->gate->transport, inverse );
+      m4x3_mulv( inverse, mc->post, origin );
+   }
+   else
+   {
+      v3_copy( mc->post, origin );
+   }
+
+   /* TODO: Remove? */
+   v3_add( origin, (v3f){0.0f,1.35f,0.0f}, origin );
+   v3_sub( origin, mc->pos, dir );
+   
+   if( v3_length2( dir ) < 0.1f*0.1f )
+      v3_copy( (v3f){ 0.0f, 0.0f, 1.0f }, dir );   /* FIXME */
+   else
+      v3_normalize( dir );
+
+   v3_muladds( origin, dir, -2.0f, target );
+   v3_lerp( mc->pos, target, vg.frame_delta * 12.0f, mc->pos );
+   v3_copy( dir, mc->dir );
+
+   if( mc->gate )
+   {
+      v2f _;
+      if( gate_intersect_plane( mc->gate, mc->pos, prev_pos, _ ) )
+      {
+         m4x3_mulv( mc->gate->transport, mc->pos, mc->pos );
+         m3x3_mulv( mc->gate->transport, mc->dir, mc->dir );
+         //player_apply_transport_to_cam( mc->gate->transport );
+
+         mc->gate = NULL;
+      }
+   }
+}
+
+VG_STATIC void mixedcam_iterate_frame( player_interface *player,
+                                       struct mixedcam_state *mc )
+{
+   if( cl_thirdperson )
+      mixedcam_iterate_thirdperson_frame( player, mc );
+   else
+      mixedcam_iterate_firstperson_frame( player, mc );
+}
+
+VG_STATIC void mixedcam_get_camera( struct mixedcam_state *mc )
+{
+   
+}
+
+#endif /* PLAYER_DEVICE_COMMON_H */