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glow rendering fixes to bring stars back

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asrael 2026-02-10 11:10:37 -06:00
parent 657b590b6f
commit c538641ec8
26 changed files with 773 additions and 1491 deletions
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23
demo/mod/entities.fnl
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@ -10,17 +10,19 @@
(var door-tex nil)
(var fireball-mesh nil)
(fn create-door-mesh []
(fn create-door-mesh [bsp ambient]
(let [verts []
indices []
hw (/ DOOR_WIDTH 2)
y0 0
y1 DOOR_HEIGHT
x DOOR_X]
(table.insert verts {:x x :y y0 :z (- DOOR_Z hw) :u 0 :v 1 :nx -1 :ny 0 :nz 0 :color 80 :light 200})
(table.insert verts {:x x :y y0 :z (+ DOOR_Z hw) :u 1 :v 1 :nx -1 :ny 0 :nz 0 :color 80 :light 200})
(table.insert verts {:x x :y y1 :z (+ DOOR_Z hw) :u 1 :v 0 :nx -1 :ny 0 :nz 0 :color 80 :light 200})
(table.insert verts {:x x :y y1 :z (- DOOR_Z hw) :u 0 :v 0 :nx -1 :ny 0 :nz 0 :color 80 :light 200})
x DOOR_X
sample (fn [vx vy vz]
(if bsp (bsp:light_at vx vy vz (or ambient 0)) 200))]
(table.insert verts {:x x :y y0 :z (- DOOR_Z hw) :u 0 :v 1 :nx -1 :ny 0 :nz 0 :color 80 :light (sample x y0 (- DOOR_Z hw))})
(table.insert verts {:x x :y y0 :z (+ DOOR_Z hw) :u 1 :v 1 :nx -1 :ny 0 :nz 0 :color 80 :light (sample x y0 (+ DOOR_Z hw))})
(table.insert verts {:x x :y y1 :z (+ DOOR_Z hw) :u 1 :v 0 :nx -1 :ny 0 :nz 0 :color 80 :light (sample x y1 (+ DOOR_Z hw))})
(table.insert verts {:x x :y y1 :z (- DOOR_Z hw) :u 0 :v 0 :nx -1 :ny 0 :nz 0 :color 80 :light (sample x y1 (- DOOR_Z hw))})
(table.insert indices 0)
(table.insert indices 1)
(table.insert indices 2)
@ -150,13 +152,15 @@
20)
(fn init [textures]
(when (not door-mesh)
(create-door-mesh))
(when (not fireball-mesh)
(create-fireball-mesh))
(when (and (not door-tex) textures)
(set door-tex (textures.door))))
(fn setup-lighting [bsp ambient]
(when (and (not door-mesh) bsp)
(create-door-mesh bsp ambient)))
(fn render-door [wireframe floor-y]
(when (and door-mesh door-tex)
(pxl8.draw_mesh door-mesh {:x 0 :y (or floor-y 0) :z 0
@ -176,4 +180,5 @@
:get-door-radius get-door-radius
:init init
:render-door render-door
:render-fireball render-fireball}
:render-fireball render-fireball
:setup-lighting setup-lighting}