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Stage BSP partitioning written. Changes to actors to keep track of their BSP node. Actors traverse the BSP as they move. Miscellanious error code def/usage updates. WIP

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This commit is contained in:
Andrew Kesterson
2026-06-22 08:18:15 -04:00
parent f4728bf19d
commit 71de95822c
12 changed files with 713 additions and 61 deletions
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15
include/akgl/actor.h
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@@ -59,6 +59,7 @@ extern char *AKGL_ACTOR_STATE_STRING_NAMES[AKGL_ACTOR_MAX_STATES+1];
#define AKGL_MAX_HEAP_ACTOR 64
typedef struct akgl_Actor {
uint8_t type;
uint8_t refcount;
char name[AKGL_ACTOR_MAX_NAME_LENGTH];
akgl_Character *basechar;
@@ -70,7 +71,10 @@ typedef struct akgl_Actor {
bool movement_controls_face;
void *actorData;
bool visible;
bool simulating;
SDL_Time movetimer;
// Bounding box accounting for the actor's current real position plus physics delta
SDL_FRect bbox;
// Velocity. Combined effect of all forces acting on the actor resulting
// in energy along an axis.
float32_t vx;
@@ -100,13 +104,24 @@ typedef struct akgl_Actor {
float32_t y;
float32_t z;
float32_t scale;
// Reference to the BSP Node currently containing this actor
aksl_TreeNode *bsphome;
// Reference to the BSP linked list node currently holding this actor
aksl_ListNode *bsplistnode;
struct akgl_Actor *children[AKGL_ACTOR_MAX_CHILDREN];
struct akgl_Actor *parent;
// method that controls logic update functions
akerr_ErrorContext AKERR_NOIGNORE *(*updatefunc)(struct akgl_Actor *obj);
// method that renders the actor to the currently active renderer
akerr_ErrorContext AKERR_NOIGNORE *(*renderfunc)(struct akgl_Actor *obj);
// method that changes the actor's face flags based on other state
akerr_ErrorContext AKERR_NOIGNORE *(*facefunc)(struct akgl_Actor *obj);
// method that performs movement logic on the actor based on state flags
akerr_ErrorContext AKERR_NOIGNORE *(*movementlogicfunc)(struct akgl_Actor *obj, float32_t dt);
// method that calculates the correct sprite frame for the actor's current state
akerr_ErrorContext AKERR_NOIGNORE *(*changeframefunc)(struct akgl_Actor *obj, akgl_Sprite *curSprite, SDL_Time curtimems);
// method to add a child to this actor
akerr_ErrorContext AKERR_NOIGNORE *(*addchild)(struct akgl_Actor *obj, struct akgl_Actor *child);
} akgl_Actor;