Difference between revisions of "Lighting:Light Style"
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===About=== | ===About=== | ||
| − | Adding light style to a light entities let's the mapper create the effect of | + | Adding light style to a light entities let's the mapper create the effect of dynamic lighting. |
| − | True | + | True dynamic lightning in Urban Terror does not exists. The effect is created simply by the engine using a lightimage and shaders. |
| − | One thing to think of before using Light Style is that the | + | One thing to think of before using Light Style is that the engine have to redraw the scene with the lights. This is affecting the fps of the level. So use it with care. |
===How to. Step by Step=== | ===How to. Step by Step=== | ||
| − | 1. Start by | + | 1. Start by selecting any brush that is a part of your worldspawn. |
| − | 2. Add the | + | 2. Add the following key "_style1alphaGen" with the value "wave sin .5 .3 .25 1.5" (without the ") |
| − | 3. Add the | + | 3. Add the following key "_style1rgbGen" with the value "wave noise 0.5 1 0 5.37" (without the ") |
4. Edit the values to the value you want | 4. Edit the values to the value you want | ||
5. Add a light and enter the key "style" with the value "1" (without the "). | 5. Add a light and enter the key "style" with the value "1" (without the "). | ||
| + | |||
| + | |||
| + | ===Adding lightstyle in an shader=== | ||
| + | You can also add the lighstyle to a shader insted of to a light. | ||
| + | To do this simply add q3map_lightStyle 1 in the shader. | ||
| + | If you use more than one lightsyle you just replace the 1 with the ligthstyle you want. | ||
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| − | {{Warning|Use the "Light Style | + | {{Warning|Use the "Light Style Entity" with care. It is not the best way of doing this and should not be the first tested}} |
| + | |||
| + | ===Light Style Entity=== | ||
| + | In some cases adding lightstyle to the worldspawn does not work. If that happens you can create a [[Entities:Func#func_group|func_group]], adding the values to it instead of the worldspawn. Or you can add a entity with the values. | ||
| − | + | To make a entity make a new file in radiant/q3.game/baseq3/ called lightstyle.def. | |
| − | + | Add the following lines to this file: | |
| − | |||
| − | |||
| − | |||
//Light_style | //Light_style | ||
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/*QUAKED Lightstyle (0.3 0.9 0.4)(-5 -5 -5) (5 5 5) | /*QUAKED Lightstyle (0.3 0.9 0.4)(-5 -5 -5) (5 5 5) | ||
| − | An false | + | |
| + | An false entity used for adding light styles to the map. | ||
| + | |||
-------- KEYS -------- | -------- KEYS -------- | ||
| − | _style1alphaGen : This | + | _style1alphaGen : This controls the behaviour of the light(eg. wave sin .5 .3 .25 1.5) |
| − | _style1rgbGen : This | + | |
| + | _style1rgbGen : This controls the colour of the light(e.g. wave noise 0.5 1 0 5.37) | ||
*/ | */ | ||
| − | |||
| − | When you open radiant again there will be a new | + | When you open radiant again there will be a new entity in the list called Lightstyle. |
| − | It will look like a small green box. The values in the comments are suggestions, so just enter the | + | It will look like a small green box. The values in the comments are suggestions, so just enter the values you need instead. |
| + | |||
| + | [[Category:Lighting]] | ||
Latest revision as of 20:02, 30 January 2012
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This page is work in progress! |
Contents
Light Style
About
Adding light style to a light entities let's the mapper create the effect of dynamic lighting. True dynamic lightning in Urban Terror does not exists. The effect is created simply by the engine using a lightimage and shaders.
One thing to think of before using Light Style is that the engine have to redraw the scene with the lights. This is affecting the fps of the level. So use it with care.
How to. Step by Step
1. Start by selecting any brush that is a part of your worldspawn.
2. Add the following key "_style1alphaGen" with the value "wave sin .5 .3 .25 1.5" (without the ")
3. Add the following key "_style1rgbGen" with the value "wave noise 0.5 1 0 5.37" (without the ")
4. Edit the values to the value you want
5. Add a light and enter the key "style" with the value "1" (without the ").
Adding lightstyle in an shader
You can also add the lighstyle to a shader insted of to a light. To do this simply add q3map_lightStyle 1 in the shader. If you use more than one lightsyle you just replace the 1 with the ligthstyle you want.
Multiple Light Styles
It is possible to add more light styles. To do that enter "_styleXalphaGen" and "_styleXrgbGen" with another number instead of the X.
Sample Map
There is a test map here: http://www.robotrenegade.com/q3map2/downloads/samples/maps/map-slstyle.zip
The q3map2 will generate lightmaps and a shaderfile for the light style. The lightstyle shader that is generated should not be changed.
|
Use the "Light Style Entity" with care. It is not the best way of doing this and should not be the first tested |
Light Style Entity
In some cases adding lightstyle to the worldspawn does not work. If that happens you can create a func_group, adding the values to it instead of the worldspawn. Or you can add a entity with the values.
To make a entity make a new file in radiant/q3.game/baseq3/ called lightstyle.def. Add the following lines to this file:
//Light_style
// * * * * * * * *
/*QUAKED Lightstyle (0.3 0.9 0.4)(-5 -5 -5) (5 5 5)
An false entity used for adding light styles to the map.
KEYS --------
_style1alphaGen : This controls the behaviour of the light(eg. wave sin .5 .3 .25 1.5)
_style1rgbGen : This controls the colour of the light(e.g. wave noise 0.5 1 0 5.37)
- /
When you open radiant again there will be a new entity in the list called Lightstyle.
It will look like a small green box. The values in the comments are suggestions, so just enter the values you need instead.
