NG Cool shaders

change it based on the light that get seen from the player perspective, this was also a thing that the older Half Angle method used before was done better, but because the lightning was distributed better in general using this newer in the interaction.vfp at least, had taken the reflection technique but loosing a little of the behaviour first described, now had been able to use the best from both techniques to create the best specular for my shaders, test it, in the package is the updated full new versions for Doom 3, Quake 4 and Prey plus some minor mods that enhances and/or fixes some things...
Cool NG shaders v1.8 for Doom 3, ROE, Quake 4 and Prey. Description...: Now, i have fixed a small bug, made it more compatible and made a better use of reflection technique so the textures