parent
e62bf12bc5
commit
ac16c151a3
@ -1,14 +1,18 @@ |
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Entity |
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{ |
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type : 6 |
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scale : 135.000 1.000 135.000 |
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material : 0 |
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rotation : 0.000 0.000 0.000 1.000 |
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diffuse_color : 1.000 1.000 1.000 1.000 |
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geometry : cube.symbres |
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specular : 1.0000 |
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active : true |
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diffuse_texture : default.tga |
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diffuse : 1.0000 |
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position : -17.000 0.000 -20.000 |
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specular_strength : 1.0000 |
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name : Cube |
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name : Ground |
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uv_scale : 7.700 8.900 |
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} |
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#include "trigger.h" |
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#include "entity.h" |
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#include "game.h" |
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#include "event.h" |
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#include "bounding_volumes.h" |
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#include "scene.h" |
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#include <assert.h> |
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void trigger_init(struct Trigger* trigger, int type, int trigger_event, int trigger_mask) |
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{ |
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assert(type < TRIG_MAX); |
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trigger->base.type = ET_TRIGGER; |
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trigger->count = 0; |
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trigger->triggered = false; |
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trigger->type = type; |
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trigger->trigger_event = trigger_event; |
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trigger->trigger_mask = trigger_mask; |
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} |
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void trigger_reset(struct Trigger* trigger) |
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{ |
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} |
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void trigger_update_physics(struct Trigger* trigger, struct Scene* scene, float fixed_dt) |
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{ |
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// Check if we're triggered and fire the associated event
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bool intersecting = false; |
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if(trigger->trigger_mask & TRIGM_PLAYER) |
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{ |
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int intersection = bv_intersect_bounding_boxes(&trigger->base.derived_bounding_box, &scene->player.base.derived_bounding_box); |
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if(intersection == IT_INSIDE || intersection == IT_INTERSECT) |
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{ |
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intersecting = true; |
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} |
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} |
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if(trigger->trigger_mask & TRIGM_ENEMY) |
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{ |
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for(int i = 0; i < MAX_SCENE_ENEMIES; i++) |
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{ |
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struct Enemy* enemy = &scene->enemies[i]; |
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if(!(enemy->base.flags & EF_ACTIVE)) |
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continue; |
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int intersection = bv_intersect_bounding_boxes(&trigger->base.derived_bounding_box, &enemy->mesh->base.derived_bounding_box); |
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if(intersection == IT_INTERSECT || intersection == IT_INSIDE) |
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{ |
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intersecting = true; |
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} |
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} |
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} |
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if(intersecting) |
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{ |
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bool fire_event = false; |
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switch(trigger->type) |
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{ |
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case TRIG_ONE_SHOT: |
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{ |
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fire_event = true; |
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trigger->triggered = true; |
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scene_trigger_remove(scene, trigger); |
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} |
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break; |
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case TRIG_TOGGLE: |
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{ |
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// if trigger is already triggered last frame and is also intersecting this frame, then
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// it means event has already been fired and we cannot fire an event until it is empty
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if(trigger->triggered) |
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{ |
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fire_event = false; |
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} |
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else |
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{ |
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trigger->triggered = true; |
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fire_event = true; |
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} |
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} |
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break; |
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case TRIG_CONTINUOUS: |
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{ |
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trigger->triggered = true; |
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fire_event = true; |
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} |
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} |
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if(fire_event && trigger->trigger_event != -1) |
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{ |
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struct Event_Manager* event_manager = game_state_get()->event_manager; |
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struct Event* trigger_event = event_manager_create_new_event(event_manager); |
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trigger_event->type = trigger->trigger_event; |
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event_manager_send_event(event_manager, trigger_event); |
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} |
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} |
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else |
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{ |
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trigger->triggered = false; |
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} |
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} |
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@ -0,0 +1,10 @@ |
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#ifndef TRIGGER_H |
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#define TRIGGER_H |
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struct Trigger; |
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void trigger_init(struct Trigger* trigger, int type, int trigger_event, int trigger_mask); |
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void trigger_reset(struct Trigger* trigger); |
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void trigger_update_physics(struct Trigger* trigger, struct Scene* scene, float fixed_dt); |
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#endif |
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