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modelling:dependenciesamongmodels [2012-04-04 11:20] Carsten [Human player models] It's the game code that bothers, not the engine |
modelling:dependenciesamongmodels [2013-01-07 12:07] (current) |
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| **World** models are the models that lie around in the world, before someone picked them up. | **World** models are the models that lie around in the world, before someone picked them up. | ||
| - | They are usually not animated (or do only have a single animation sequence), | + | They are usually not animated (or only have a single animation sequence), |
| are independent from anything else, and are therefore in the same category as the "all others" models, | are independent from anything else, and are therefore in the same category as the "all others" models, | ||
| so that we need not be further concerned about them. | so that we need not be further concerned about them. | ||
| **Player** models are the weapons that you see in the hands of //other// players who have picked up and are using that weapon. | **Player** models are the weapons that you see in the hands of //other// players who have picked up and are using that weapon. | ||
| - | For the following discussion, we'll refer to the "player" weapon model as the "''_p'' model", | + | For the following discussion, we'll refer to the "player" weapon model as the "''_p''" model, |
| - | and to the character model of a human player as the "body model". | + | and to the character model of a human player as the "body" model. |
| - | First, if you consider the skeleton of a ''_p'' model in a model viewer, you will find that it resembles | + | First, if you consider the skeleton of a ''_p'' model in the Model Editor, you will find that it resembles |
| a partial body model (the bones from the pelvis to the shooting arm are there!), before it diverges into additional bones for the actual weapon. | a partial body model (the bones from the pelvis to the shooting arm are there!), before it diverges into additional bones for the actual weapon. | ||
| Here is the crucial point: In order for the engine to compute the proper position of the ''_p'' model | Here is the crucial point: In order for the engine to compute the proper position of the ''_p'' model | ||
| relative to the body model, it (partially) has to match the skeletons of both models! | relative to the body model, it (partially) has to match the skeletons of both models! | ||
| - | That is, it first computes the skeleton of the body model (depending on its current animation sequence and frame). | + | That is, it first computes the skeleton of the body model (depending on its current animation pose). |
| - | Then it considers the skeleton of the ''_p'' model, starting at it's root, and tries to match it bone-by-bone | + | Then it considers the skeleton of the ''_p'' model, starting at its root, and tries to match it bone-by-bone |
| - | to the previously computed body skeleton. If a match was determined, the engine simply takes the information from the body models bone also | + | to the previously computed body skeleton. If a match was found, the engine simply takes the information from the body model bone also |
| for the ''_p'' model bone. Only when the matching breaks for the first time, the engine resumes normal bone computing | for the ''_p'' model bone. Only when the matching breaks for the first time, the engine resumes normal bone computing | ||
| - | also for the ''_p'' model. (This way you can for example have a face-hugger (held by //another// player!) that is wagging it's tail.) | + | also for the ''_p'' model. (This way you can for example see a face-hugger in the hands of //another// player that is wagging it's tail.) |
| - | Matches are made by comparing the //names// of the concerned bones, by the way. | + | Matches are made by comparing the //names// of the concerned bones. |
| As a consequence, if you want to make additional body models for the DeathMatch MOD, and additional weapons, | As a consequence, if you want to make additional body models for the DeathMatch MOD, and additional weapons, | ||
| and you want to be able to combine each body model with each weapon, | and you want to be able to combine each body model with each weapon, | ||
| - | //then you're forced to make sure that they **all** have a corresponding skeletal structure and bone names!// | + | //then you have to make sure that they **all** have a corresponding skeletal structure and bone names!// |
| **View** models are the models that you see in 1st persons view after you have picked up a weapon yourself. | **View** models are the models that you see in 1st persons view after you have picked up a weapon yourself. | ||
| - | They are also independent from anything else, but the engine has usually special code for handling them. | + | They are also independent from anything else, but the game has usually special code for handling them. |
| - | Thus, you can well make a //replacement// weapon for e.g. the shotgun | + | Thus, you can well make a //replacement// weapon for e.g. the shotgun, |
| - | (matching the animation sequences of the existing "view" weapon model, | + | matching the animation sequences of the existing "view" weapon model |
| - | according to similar rules as indicated for making replacement human player models), | + | according to similar rules as indicated for making replacement human player models. |
| - | but you cannot introduce //entirely new// weapon models without writing additional code for them. | + | You can also introduce //entirely new// weapon models, but be prepared that is requires to augment the game's C++ or script code as well. |
| - | ===== Applicability to your own MOD ===== | + | ===== Applicability to your own game ===== |
| - | If you create an own MOD, things may or may not be different, of course. | + | If you create an own game, things may or may not be different, of course. |
| - | However, please keep in mind that if you want to achieve a high degree of flexibility and ease of maintenance, | + | However, keep in mind that if you want to achieve a high degree of flexibility and ease of maintenance, |
| you'll sooner or later probably experience the same rules and dependencies as described here. | you'll sooner or later probably experience the same rules and dependencies as described here. | ||
| - | They are the - relatively cheap - price for the ability to combine every human player model with every weapon model. | + | They are the -- relatively cheap -- price for the ability to combine every human player model with every weapon model. |
modelling/dependenciesamongmodels.1333531212.txt.gz · Last modified: 2013-01-07 12:07 (external edit)