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[client] Clean up light loading 

By adding Light_AddLight to scene light management
This commit is contained in:
Bill Currie 2022-05-05 20:36:25 +09:00
parent b2928b5ed7
commit 41a12f066b
3 changed files with 28 additions and 32 deletions
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1
include/QF/scene/light.h
View File

@ -73,6 +73,7 @@ typedef struct lightingdata_s {
lightingdata_t *Light_CreateLightingData (struct scene_s *scene);
void Light_DestroyLightingData (lightingdata_t *ldata);
void Light_ClearLights (lightingdata_t *ldata);
void Light_AddLight (lightingdata_t *ldata, const light_t *light, int style);
void Light_EnableSun (lightingdata_t *ldata);
void Light_FindVisibleLights (lightingdata_t *ldata);

33
libs/client/cl_light.c
View File

@ -124,9 +124,7 @@ parse_sun (lightingdata_t *ldata, plitem_t *entity)
light.direction = light.position;
light.direction[3] = 1;
light.attenuation = (vec4f_t) { 0, 0, 1, 0 };
DARRAY_APPEND (&ldata->lights, light);
DARRAY_APPEND (&ldata->lightstyles, 0);
DARRAY_APPEND (&ldata->lightleafs, -1);
Light_AddLight (ldata, &light, 0);
}
static vec4f_t
@ -226,25 +224,6 @@ parse_light (light_t *light, int *style, const plitem_t *entity,
light->attenuation = attenuation;
}
static void
locate_lights (model_t *model, lightingdata_t *ldata)
{
light_t *lights = ldata->lights.a;
DARRAY_RESIZE (&ldata->lightleafs, ldata->lights.size);
for (size_t i = 0; i < ldata->lights.size; i++) {
if (1 || lights[i].position[3]) {
mleaf_t *leaf = Mod_PointInLeaf (&lights[i].position[0], model);
ldata->lightleafs.a[i] = leaf - model->brush.leafs - 1;
} else {
if (DotProduct (lights[i].direction, lights[i].direction)) {
ldata->lightleafs.a[i] = -1;
} else {
ldata->lightleafs.a[i] = -2;
}
}
}
}
void
CL_LoadLights (plitem_t *entities, scene_t *scene)
{
@ -285,8 +264,7 @@ CL_LoadLights (plitem_t *entities, scene_t *scene)
light.color = (vec4f_t) { 1, 1, 1, atof (str) };
light.attenuation = (vec4f_t) { 0, 0, 1, 0 };
light.direction = (vec4f_t) { 0, 0, 0, 1 };
DARRAY_APPEND (&ldata->lights, light);
DARRAY_APPEND (&ldata->lightstyles, 0);
Light_AddLight (ldata, &light, 0);
}
} else if (!strncmp (classname, "light", 5)) {
light_t light = {};
@ -295,12 +273,10 @@ CL_LoadLights (plitem_t *entities, scene_t *scene)
parse_light (&light, &style, entity, targets);
// some lights have 0 output, so drop them
if (light.color[3]) {
DARRAY_APPEND (&ldata->lights, light);
DARRAY_APPEND (&ldata->lightstyles, style);
Light_AddLight (ldata, &light, style);
}
}
}
DARRAY_RESIZE (&ldata->lightvis, ldata->lights.size);
// targets does not own the objects, so need to remove them before
// freeing targets
for (int i = PL_D_NumKeys (targets); i-- > 0; ) {
@ -308,11 +284,8 @@ CL_LoadLights (plitem_t *entities, scene_t *scene)
}
PL_Free (targets);
if (ldata->lights.size) {
locate_lights (model, ldata);
for (size_t i = 0; i < ldata->lights.size; i++) {
dump_light (&ldata->lights.a[i], ldata->lightleafs.a[i]);
}
}
Sys_MaskPrintf (SYS_lighting, "loaded %zd lights\n", ldata->lights.size);
}

22
libs/scene/light.c
View File

@ -66,6 +66,28 @@ Light_ClearLights (lightingdata_t *ldata)
ldata->leaf = 0;
}
void
Light_AddLight (lightingdata_t *ldata, const light_t *light, int style)
{
scene_t *scene = ldata->scene;
model_t *model = scene->worldmodel;
DARRAY_APPEND (&ldata->lights, *light);
DARRAY_APPEND (&ldata->lightstyles, style);
int visleaf = -1; // directional light
if (light->position[3]) {
// positional light
mleaf_t *leaf = Mod_PointInLeaf (&light->position[0], model);
visleaf = leaf - model->brush.leafs - 1;
} else if (!DotProduct (light->direction, light->direction)) {
// ambient light
visleaf = -2;
}
DARRAY_APPEND (&ldata->lightleafs, visleaf);
DARRAY_APPEND (&ldata->lightvis, 0);
}
void
Light_EnableSun (lightingdata_t *ldata)
{