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Add hitbox size/render size notion

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This commit is contained in:
Doyle Thai 2016-07-18 20:37:14 +10:00
parent c52d872058
commit e00ef52f8a
4 changed files with 40 additions and 39 deletions
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6
src/Renderer.c
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@ -215,14 +215,14 @@ void renderer_string(Renderer *const renderer, v4 cameraBounds,
}
void renderer_entity(Renderer *renderer, v4 cameraBounds, Entity *entity,
v2 entityRenderSize, f32 rotate, v4 color)
f32 rotate, v4 color)
{
// TODO(doyle): Batch into render groups
// NOTE(doyle): Pos + Size since the origin of an entity is it's bottom left
// corner. Add the two together so that the clipping point is the far right
// side of the entity
v2 rightAlignedP = v2_add(entity->pos, entity->size);
v2 rightAlignedP = v2_add(entity->pos, entity->hitboxSize);
v2 leftAlignedP = entity->pos;
if ((leftAlignedP.x < cameraBounds.z && rightAlignedP.x >= cameraBounds.x) &&
(leftAlignedP.y < cameraBounds.y && rightAlignedP.y >= cameraBounds.w))
@ -244,7 +244,7 @@ void renderer_entity(Renderer *renderer, v4 cameraBounds, Entity *entity,
v2 offsetFromCamOrigin = V2(cameraBounds.x, cameraBounds.w);
v2 entityRelativeToCamera = v2_sub(entity->pos, offsetFromCamOrigin);
renderObject(renderer, entityRelativeToCamera, entityRenderSize,
renderObject(renderer, entityRelativeToCamera, entity->renderSize,
rotate, color, entity->tex);
}
}

54
src/WorldTraveller.c
View File

@ -22,7 +22,8 @@ INTERNAL Entity *addEntity(World *world, v2 pos, v2 size, enum EntityType type,
Entity entity = {0};
entity.pos = pos;
entity.size = size;
entity.hitboxSize = size;
entity.renderSize = size;
entity.type = type;
entity.direction = direction;
entity.tex = tex;
@ -272,7 +273,7 @@ void worldTraveller_gameInit(GameState *state, v2 windowSize)
/* Create a NPC */
pos = V2(hero->pos.x * 3, CAST(f32) state->tileSize);
size = hero->size;
size = hero->hitboxSize;
type = entitytype_npc;
dir = direction_null;
tex = hero->tex;
@ -291,7 +292,7 @@ void worldTraveller_gameInit(GameState *state, v2 windowSize)
/* Create a Mob */
pos = V2(renderer->size.w - (renderer->size.w / 3.0f),
CAST(f32) state->tileSize);
size = hero->size;
size = hero->hitboxSize;
type = entitytype_mob;
dir = direction_west;
tex = hero->tex;
@ -459,8 +460,8 @@ INTERNAL void parseInput(GameState *state, const f32 dt)
if (entity.collides)
{
v4 heroRect =
V4(newHeroP.x, newHeroP.y, (newHeroP.x + hero->size.x),
(newHeroP.y + hero->size.y));
V4(newHeroP.x, newHeroP.y, (newHeroP.x + hero->hitboxSize.x),
(newHeroP.y + hero->hitboxSize.y));
v4 entityRect = getEntityScreenRect(entity);
if (((heroRect.z >= entityRect.x && heroRect.z <= entityRect.z) ||
@ -489,7 +490,7 @@ INTERNAL void parseInput(GameState *state, const f32 dt)
V2((hero->pos.x - (0.5f * state->renderer.size.w)), (0.0f));
// NOTE(doyle): Hero position is offset to the center so -recenter it
offsetFromHeroToOrigin.x += (hero->size.x * 0.5f);
offsetFromHeroToOrigin.x += (hero->hitboxSize.x * 0.5f);
world->cameraPos = offsetFromHeroToOrigin;
}
}
@ -509,6 +510,18 @@ INTERNAL void updateEntityAnim(Entity *entity, f32 dt)
texRect = anim->rect[anim->currRectIndex];
anim->currDuration = anim->duration;
}
// NOTE(doyle): If humanoid entity, let animation dictate render size which
// may exceed the hitbox size of the entity
switch (entity->type)
{
case entitytype_hero:
case entitytype_mob:
case entitytype_npc:
entity->renderSize = math_getRectSize(texRect);
default:
break;
}
}
INTERNAL void beginAttack(GameState *state, Entity *attacker)
@ -570,6 +583,7 @@ INTERNAL v4 createCameraBounds(World *world, v2 size)
INTERNAL void updateEntity(GameState *state, Entity *entity, f32 dt)
{
World *const world = &state->world[state->currWorldIndex];
Entity *hero = &world->entities[world->heroIndex];
@ -629,6 +643,8 @@ INTERNAL void updateEntity(GameState *state, Entity *entity, f32 dt)
entity->state = entitystate_dead;
}
}
updateEntityAnim(entity, dt);
}
void worldTraveller_gameUpdateAndRender(GameState *state, const f32 dt)
@ -653,24 +669,8 @@ void worldTraveller_gameUpdateAndRender(GameState *state, const f32 dt)
for (i32 entityId = 0; entityId < world->freeEntityIndex; entityId++)
{
Entity *const entity = &world->entities[entityId];
u32 oldAnimCycleCount = entity->currAnimCyclesCompleted;
updateEntityAnim(entity, dt);
v2 entityRenderSize = entity->size;
if (entity->type == entitytype_hero || entity->type == entitytype_mob)
{
#ifdef DENGINE_DEBUG
DEBUG_PUSH_STRING("HeroAnimCycleCount: %d",
entity->currAnimCyclesCompleted, "i32");
#endif
// NOTE(doyle): If dynamic entity, allow animations to exceed
// the actual hitbox of character
EntityAnim *anim = &entity->anim[entity->currAnimId];
v4 texRect = anim->rect[anim->currRectIndex];
entityRenderSize = math_getRectSize(texRect);
}
updateEntity(state, entity, dt);
if (entity->state == entitystate_battle)
{
if (hero->state == entitystate_idle)
@ -702,8 +702,8 @@ void worldTraveller_gameUpdateAndRender(GameState *state, const f32 dt)
}
f32 rotate = 0.0f;
renderer_entity(&state->renderer, cameraBounds, entity,
entityRenderSize, rotate, V4(1, 1, 1, 1));
renderer_entity(&state->renderer, cameraBounds, entity, rotate,
V4(1, 1, 1, 1));
#ifdef DENGINE_DEBUG
/* Render debug markers on entities */
@ -732,8 +732,8 @@ void worldTraveller_gameUpdateAndRender(GameState *state, const f32 dt)
if (debugString)
{
v2 strPos = v2_add(entity->pos, entity->size);
i32 indexOfLowerAInMetrics = 'a' - CAST(i32)font->codepointRange.x;
v2 strPos = v2_add(entity->pos, entity->hitboxSize);
i32 indexOfLowerAInMetrics = 'a' - CAST(i32) font->codepointRange.x;
strPos.y += font->charMetrics[indexOfLowerAInMetrics].offset.y;
renderer_string(&state->renderer, cameraBounds, font, debugString,

5
src/include/Dengine/Entity.h
View File

@ -81,7 +81,8 @@ typedef struct Entity
{
v2 pos; // Position
v2 dPos; // Velocity
v2 size;
v2 hitboxSize;
v2 renderSize;
enum EntityState state;
enum EntityType type;
@ -100,7 +101,7 @@ typedef struct Entity
INTERNAL inline v4 getEntityScreenRect(Entity entity)
{
v4 result = math_getRect(entity.pos, entity.size);
v4 result = math_getRect(entity.pos, entity.hitboxSize);
return result;
}

2
src/include/Dengine/Renderer.h
View File

@ -51,6 +51,6 @@ inline void renderer_staticString(Renderer *const renderer, Font *const font,
}
void renderer_entity(Renderer *renderer, v4 cameraBounds, Entity *entity,
v2 entityRenderSize, f32 rotate, v4 color);
f32 rotate, v4 color);
#endif