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function _effect_blend() constructor |
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{ |
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g_Blend = 1; |
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surf_blend = -1; |
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surf_width = 1; |
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surf_height = 1; |
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clonedcam = -1; |
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tempcam = -1; |
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|
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CloneCurrCam = function() |
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{ |
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if (clonedcam == -1) |
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clonedcam = camera_create(); |
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var currcam = camera_get_active(); |
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camera_copy_transforms(clonedcam, currcam); |
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}; |
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|
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cleanup = function() |
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{ |
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if (surface_exists(surf_blend)) |
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{ |
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surface_free(surf_blend); |
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surf_blend = -1; |
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} |
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if (tempcam != -1) |
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{ |
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camera_destroy(tempcam); |
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tempcam = -1; |
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} |
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if (clonedcam != -1) |
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{ |
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camera_destroy(clonedcam); |
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clonedcam = -1; |
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} |
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}; |
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|
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room_end = function() |
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{ |
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cleanup(); |
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}; |
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|
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layer_begin = function() |
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{ |
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if (event_type != ev_draw || event_number != 0) |
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exit; |
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if (!gmAffectsSingleLayerOnly) |
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exit; |
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var _draw_surface = surface_get_target(); |
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var _draw_width = surface_get_width(_draw_surface); |
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var _draw_height = surface_get_height(_draw_surface); |
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if (!surface_exists(surf_blend)) |
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surf_blend = surface_create(_draw_width, _draw_height); |
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else if (surf_width != _draw_width || surf_height != _draw_height) |
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surface_resize(surf_blend, _draw_width, _draw_height); |
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surf_width = _draw_width; |
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surf_height = _draw_height; |
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CloneCurrCam(); |
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surface_set_target(surf_blend); |
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draw_clear_alpha(c_black, 0); |
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camera_apply(clonedcam); |
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}; |
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|
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layer_end = function() |
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{ |
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if (event_type != ev_draw || event_number != 0) |
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exit; |
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if (!gmAffectsSingleLayerOnly) |
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exit; |
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surface_reset_target(); |
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if (tempcam == -1) |
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tempcam = camera_create_view(0, 0, surf_width, surf_height); |
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else |
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camera_set_view_size(tempcam, surf_width, surf_height); |
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camera_apply(tempcam); |
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gpu_push_state(); |
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gpu_set_blendmode(g_Blend); |
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draw_surface(surf_blend, 0, 0); |
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gpu_pop_state(); |
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camera_apply(clonedcam); |
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}; |
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} |